The ratio of boys to girls in a class 4 : 5

a) what fraction of the class are boys

4/9

Step-by-step explanation:

Ratio of boys = 4

Ratio of girls = 5

1. When illustrating ratios in fraction, you add the ratios

   4 + 5 = 9

2. Next you put the boys ratio over the total ratio

     4/9

3. Sometimes it can be reduced to a lower form eg. 5/10 can be reduced to

   1/2.

£56

step-by-step explanation:

u divide 24 by 3 and u get 8 so if u do 8 time 7 or 8+8+8+8+8+8+8 u get 56 and 56 divided by 7 is 8.