21-09-2021
Mathematics

contestada

plz answer this the one i circled

plz answer this the one i circled class=

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Аноним Аноним

21-09-2021

Answer:

We can setup an equation for this.

Boys to Girls = 2:7

Boys = x

Girls = 250+x

Setup the ratio

x:(250+x) = 2:7

x / (250+x) = 2/7

7x = 500+2x

7x-2x = 500

x = 500/5 =100

There are 100 boys at the concert

Hope this helps:)

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