Respuesta :

Answer: There are 45 boys

Step-by-step explanation:

3:4

60÷4=15

15×3

=45

sunshinemadison101

Answer:

a. Use a proportion comparing boys to girls at the dance. boys/girls=3/4=x/60

Solve the proportion by cross-multiplying, setting the cross-products equal to each other, and solving as shown below.

(3)(60) = 4x

180 = 4x

180/4=4x/4

45=x

There were 45 boys at the dance.

Thank you

sunshinemadison101

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