luluyounan luluyounan

08-01-2021
Mathematics

contestada

On the swim team, for every 10 girls there are 7 boys. If there are 21 boys on the swim team, how many girls are there?

Respuesta :

heyitzdiamond12 heyitzdiamond12

08-01-2021

Answer:

30 girls

Step-by-step explanation:

Every 10 girls there are 7 boys.

So if there are 3 groups of 7 boys, there will be 30 girls.

Check:

10 girls: 7 boys

+10 girls: 7 boys

+10 girls: 7 boys

= 30 girls: 21 boys

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