The radio of boys to girls is 3:4. There were 60 girls at the dance. How many boys were at the dance?

Mathematics

2 answers:

IRINA_888 [86]3 years ago

5 0

Answer: There are 45 boys

Step-by-step explanation:

3:4

60÷4=15

15×3

=45

bagirrra123 [75]3 years ago

3 0

<h2><u>Answer:</u></h2><h2>a. Use a proportion comparing boys to girls at the dance. boys/girls=3/4=x/60</h2><h2>Solve the proportion by cross-multiplying, setting the cross-products equal to each other, and solving as shown below.</h2><h2>(3)(60) = 4x</h2><h2>180 = 4x</h2><h2>180/4=4x/4</h2><h2>45=x</h2><h2>There were 45 boys at the dance.</h2><h2><u></u></h2><h2><u>Thank you </u></h2><h2><u>sunshinemadison101</u></h2>

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