Question

The ratio of boys to girls in a group is 7:2. If there are 70 more boys than girls, work out how many people there are in total.

Answer 1

Step-by-step explanation:

given,

ratio of boys and girls in a group is 7:2

number of boys are 70 more than number of girls

then let the number of boys be 7x

the number of girls be 2x

by given information 7x = 70 + 2x

then 5x = 70

x = 14

total number of people in group is 9x = 9×14 = 126 .

Answer 2

Answer:

the answer would be 126

Step-by-step explanation: