Lesson 15 - Ratio/Proportions, Mean/Median/Range, Probability

Gap-fill exercise

Previous Index Next

Fill in all the gaps, by typing in the correct answer.

A ratio is a comparison of two numbers. When two ratios are written as equal ratios, the equation is called a proportion.

1. We ordered two large sheet cakes for a birthday party from Fred's Breads. One white, the other chocolate. After the party only 6 out of 24 pieces of white cake was left. Only 9 out of 36 pieces of chocolate was left. Is the left over cakes considered a proportion? (Hint cross-product rule)

What is the proportion equation?