XiaoMi powerbank 20,000mAh. User of 2.

Linden had 29 more fifty-cent coins than ten-cent coins. After he had used 37 fifty-cent coins, the value of the fifty-cent coins was $3.20 more than the value of the ten-cent coins. How many fifty-cent coins and ten-cent coins did he have at first? TIA fifty cent = 1 unit + 29 - 37 = 1 unit - 8 te...

Welcome everyone, I am Kaixer - owner and founder of Swift Formula. At Swift Formula, our primary mission is to provide high-quality and customised coaching for Primary School Mathematics. Swift Formula is a registered business approved by MoE for Academic Tutoring Services under the Business Regist...

PollutedS wrote:Hi everyone!

Why is (2/3x-2) - (1/ 2-3x) = (3/3x-2) [Note: They are all fractions]

Thank you!

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This is secondary school level
Proving LeftHandSide = RightHandSide
LHS = RHS

Hi, can someone help me with this 2 questions? thank you so much :) A survey was conducted on a group of pupils who liked chocolates and sweets. 3/5 of the pupils like to eat chocolates. 1/2 of them liked to eat both chocolates and sweets. 40 pupils like to eat only sweets. How many pupils like to ...

Please help for this question, thanks in adv Every day, Alif, Lenny and Vishnu are assigned different duties as prefects. They take turns to either raise the flag, record the names of latecomers or lead in pledge-taking. In how many different ways can they be rostered to carry out these duties on a...

timtim wrote:

pirate wrote: You can't see the connection between the model and the algebra?

Why should I and why the need to??

Model is almost the same as algebra.
1 unit = 1a = a

Can somebody pls help me with this question? http://i62.tinypic.com/148du2u.jpg TIA Volume of tank = 448 x 22 = 9,856 ml Figure 1 shows the volume of 8 blocks + water = 10/22 of tank (4,480 ml) Figure 2 shows the volume of 3 blocks + water = 3/8 of the tank (3,696 ml) To make the number of blocks t...

I bought a Note 2 @ S$180 .
Don't watch ANY video on handphone .
Use microsd card to store and watch .

Hi , most P1 questions consist of only 1 or 2 blanks only .
E.g 10 , 15 , 20 , _ , 30
or 10 , _ , 20 , _ , 30 , 35 , 40