Maths Question Below! Must do workin!?

Question

The ratio of the number of 10cent coins to the number of 20cent coins in a savings box is 1:4, The ratio of the number of 20cent coins to the number of 50cent coins in the savings box is 8:3. Express the number of 20cent coins as a fraction of the total number of coins in the savings box.

Answer 1

10cent:20cent
1:4
20cent:50cent
8:3
10cent:20cent:50cent
2:8:3
total number of coins = 2+8+3 = 13
fraction = 8/13

Answer 2

ùùAssume there are 8 20 cent coins in the box. Then there must be 3 50 cent coins and 2 10 cent coins. The total number of coins is 13. Therefore the fraction of 20 coins in the box is 8-13ths.

Answer 3

Ratio of no of 10 cents to 20 cents us 1 : 4
Ratio of 20 cents to 50 cents is 8 : 3

Total number of 10 cent coins = 1/4 X 8 = 2

Total number of coins = 2 + 8 + 3 = 13

Total number of 20 cents coin as a fraction = 8/13

Cheers.

Answer 4

Solve:
1:4 = 10:20
8:3 = 20:50
Therefore, the first line: 20 = (10x4)/1 = 40
second line: 20 = (50x8)/3 = 133

The fraction for 20 is: 133/40 = 3.325

So, there are 3.325 times of the 20 cents coin compared to 10 or 50 cent coins.

Answer 5

for eight 20 cent coins,there r 2 10 cent coins and three 50 cent coins .
that means, total coins=8+3+2
=13
thus,the fraction is 8/13.
U british kids!Duh!Even i am only 13.

Answer 6

The ratio of 10c coins to 20c coins to 50c coins to total coins is
2:8:3:13 (2+8+3)
Therefore the answer is 8/13
Hope that helps

Answer 7

10 cent:20 cent=1:4 20 cent:50 cent =8:3
so 10 cent:20 cent:50 cent=2:8:3
fraction of 20 cent coin =8/13

Answer 8

8:7