Question

ERGENT HURRY PLEASE HELP

Answer 1

There are 2500 girls

Explanation:

So we have to show their ratio which is 4 : 5 = boys : girls

So then we sum them up to divide. 4 + 5 = 9

Since girls are 5 It'll be
`(5)/(9)*4500`

So let's multiply:
`(22500)/(9)`

girls: 2500