## Q&A - PSLE Math

- questionable_i
- BrownBelt
**Posts:**535**Joined:**Sat Oct 10,**Total Likes:**1

### Re: Q&A - PSLE Math

Can anyone help me with these question? Thank you

Q1) Luqman's and Bryan's salary are in the ratio 8:9 respectively. If Luqman's salary increased by 50%, by what percentage must Bryan's salary be increased so that both their salaries will be the same?

Q2) In a competition between teams A, B and C, the number of points scored by Team A and Team B was 75. Team B's score was 50% of Team C's score. Team C's score was 4 times as many as Team A's score. Find the total number of points scored by the 3 teams.

Q1) Luqman's and Bryan's salary are in the ratio 8:9 respectively. If Luqman's salary increased by 50%, by what percentage must Bryan's salary be increased so that both their salaries will be the same?

Q2) In a competition between teams A, B and C, the number of points scored by Team A and Team B was 75. Team B's score was 50% of Team C's score. Team C's score was 4 times as many as Team A's score. Find the total number of points scored by the 3 teams.

### Re: Q&A - PSLE Math

Hi，ps help. Many tks and God Bless:)

There is a total of 1036 goats and ducks in a farm. 2/9 of the number of goats is equal to 3/5 of the number of ducks.

(a) How many goats are there on the farm?

(b) 1/6 of the goats are sold. Express the number of goats remaining in the farm as a fraction of the number of ducks in the farm. Express the fraction in its simplest form.

There is a total of 1036 goats and ducks in a farm. 2/9 of the number of goats is equal to 3/5 of the number of ducks.

(a) How many goats are there on the farm?

(b) 1/6 of the goats are sold. Express the number of goats remaining in the farm as a fraction of the number of ducks in the farm. Express the fraction in its simplest form.

- questionable_i
- BrownBelt
**Posts:**535**Joined:**Sat Oct 10,**Total Likes:**1

### Re: Q&A - PSLE Math

SOS mum, actually, u can use "Equal Fraction" to solve this question.SOS mum wrote:Hi，ps help. Many tks and God Bless:)

There is a total of 1036 goats and ducks in a farm. 2/9 of the number of goats is equal to 3/5 of the number of ducks.

(a) How many goats are there on the farm?

(b) 1/6 of the goats are sold. Express the number of goats remaining in the farm as a fraction of the number of ducks in the farm. Express the fraction in its simplest form.

http://i64.tinypic.com/14v68le.jpg

### Re: Q&A - PSLE Math

L -> 8uquestionable_i wrote:Can anyone help me with these question? Thank you

Q1) Luqman's and Bryan's salary are in the ratio 8:9 respectively. If Luqman's salary increased by 50%, by what percentage must Bryan's salary be increased so that both their salaries will be the same?

B -> 9u

After L increased by 50% (4u), L -> 12u

B needs to increase by 12u - 9u = 3u

% increase -> 3u / 9u x 100 = 33.33%

### Re: Q&A - PSLE Math

A -> 1uquestionable_i wrote: Q2) In a competition between teams A, B and C, the number of points scored by Team A and Team B was 75. Team B's score was 50% of Team C's score. Team C's score was 4 times as many as Team A's score. Find the total number of points scored by the 3 teams.

B -> 2u (50% of C)

C -> 4u (4 times of A)

Total -> 7u

A + B -> 3u = 75

1u = 25

7u -> ?

- ninjamathtv
- YellowBelt
**Posts:**15**Joined:**Thu May 19,

### Re: Q&A - PSLE Math

ozora wrote:Need some guide on the following questions.

Thanks

This is my video solution to this question. Hope it helps.

[/youtube]

Last edited by ninjamathtv on Fri Jun 03, 2016 5:15 pm, edited 1 time in total.

- Steadyberry
- BrownBelt
**Posts:**588**Joined:**Sun Mar 27,**Total Likes:**1

### Re: Q&A - PSLE Math

pls help. thank you very much.

a motorcycle travelled 75km in 45 mins and later increased its speed by 20% for the next 150km. what was the average speed of the motorcycle for the whole journey?

a motorcycle travelled 75km in 45 mins and later increased its speed by 20% for the next 150km. what was the average speed of the motorcycle for the whole journey?

- EconsPhDTutor
- OrangeBelt
**Posts:**39**Joined:**Sat Jan 23,**Total Likes:**1

### Re: Q&A - PSLE Math

During the first 45 mins, its average speed was 100 km/h.Steadyberry wrote:pls help. thank you very much.

a motorcycle travelled 75km in 45 mins and later increased its speed by 20% for the next 150km. what was the average speed of the motorcycle for the whole journey?

We are told that for the remaining 150 km, its average speed was 120 km/h. And so it would have taken 1 hr 15 min to travel that 150 km.

Altogether, it took 2 hours to travel 225 km. And so the average speed for the whole journey was 112.5 km/h.

Hope this helps and feel free to ask for any clarifications.

- Dr. Choo Yan Min

www.EconsPhDTutor.com

**If you found this answer helpful, then please help me out by spreading word of my services. I’m a new tutor in Singapore so I need some help getting word out! Thank you!**

- ninjamathtv
- YellowBelt
**Posts:**15**Joined:**Thu May 19,

### Re: Q&A - PSLE Math

My solution in video. Hope you can understand.SOS mum wrote:Hi, ps help. Many thks and God Bless:)

2) In a bakery shop, there are some curry, sardine and kaya buns. There are 216 more curry than sardine buns. There is 3 times as many curry as kaya buns. There is 12% as many sardine buns as the total number of buns. How many buns are there in the bakery shop?

[/youtube]

- questionable_i
- BrownBelt
**Posts:**535**Joined:**Sat Oct 10,**Total Likes:**1

### Re: Q&A - PSLE Math

Hi! Can anyone help me with this question and please explain step by step. Thank you so much.

Q1) Mrs Tan bought some cups and pots in a shopping trip. The price of each cup was $3.20 while the price of each pot was $12.40. For every 4 pots bought, she was given one such cup for free. After receiving the free cups, the number of cups was 1/3 of the number of pots bought. If Mrs Tan paid a total of $2280,

(a) how much pots did she buy?

(b) how much more did she pay for the pots than the cups?

Q1) Mrs Tan bought some cups and pots in a shopping trip. The price of each cup was $3.20 while the price of each pot was $12.40. For every 4 pots bought, she was given one such cup for free. After receiving the free cups, the number of cups was 1/3 of the number of pots bought. If Mrs Tan paid a total of $2280,

(a) how much pots did she buy?

(b) how much more did she pay for the pots than the cups?