<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>
