7th Grade Milestone Review - Solving Proportions

Front

What is a proportion?

Back

A proportion is an equation that states that two ratios are equal.

Front

How do you solve a proportion?

Back

To solve a proportion, cross-multiply the terms and then solve for the unknown variable.

Front

What is the ratio of ice cream cones to brownies in the given problem?

Back

The ratio is 5 ice cream cones for every 3 brownies.

Front

If there are 24 brownies sold, how do you find the number of ice cream cones sold?

Back

Set up the proportion: 5/3 = x/24, then cross-multiply and solve for x.

Front

What is the ratio of cats to dogs in the animal shelter problem?

Back

The ratio is 3 cats for every 5 dogs.

Front

If there are 25 dogs, how do you find the number of cats?

Back

Set up the proportion: 3/5 = x/25, then cross-multiply and solve for x.

Front

What is the formula to find speed?

Back

Speed = Distance / Time.

Front

If a car travels 120 miles in 3 hours, how do you find the time to travel 200 miles?

Back

First, find the speed (120 miles / 3 hours = 40 miles/hour), then use the formula: Time = Distance / Speed.

Front

What is the total time rested by the couple in 5 hours?

Back

They rested for 25 minutes in 5 hours.

Front

How do you find the total rest time in 8 hours?

Back

Set up a proportion: 25 minutes / 5 hours = x minutes / 8 hours, then cross-multiply and solve for x.