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P6 Mathematics

Question post on Sun, 30/04/2017 7:17am

Esther, Felicia and Gina had a total of 304 marbles. The ratio of the number of marbles Felicia had to the number of marbles Gina had was 5:4 at first. After Esther and Felicia had each lost 1/2 of their marbles, Felicia had 30 more marbles than Esther. Given that the 3 girls had 204 marbles left, how many more marbles had Gina than Esther at first?

Answer

siglapmath · Answer 1 · Post on Sun, 30/04/2017 2:50pm

siglapmath Post on Sun, 30/04/2017 2:50pm

siglapmath · Answer 2 · Post on Sun, 30/04/2017 2:50pm

siglapmath

Post on Sun, 30/04/2017 2:50pm

dazzlego · Answer 3 · Post on Sun, 30/04/2017 10:20am

dazzlego Post on Sun, 30/04/2017 10:20am

dazzlego · Answer 4 · Post on Sun, 30/04/2017 10:20am

dazzlego

Post on Sun, 30/04/2017 10:20am

alfretztay · Answer 5 · Post on Sun, 30/04/2017 9:20am

F : G

5u : 4u

(E/2) + 30 ——- F/2

E ——- F – 60 = (5u – 60)

(5u – 60) + 5u + 4u ——- 304

14u ——- 304 + 60 = 364

1u ——- 364/14 = 26

4u ——- 26 x 4 = 104

5u – 60 ——- 26 x 5 – 60 = 70

104 – 70 = 34

Ans : 34 more marbles.