Unit Rates and Proportional Reasoning

1
Unit Rates and Proportional Reasoning
COURSE 2 LESSON 5-2
Use the unit price to find the total price 7 yd
of ribbon at .39 per yard.
.39 7
The total price of 7 yd of ribbon is 2.73.
5-2
2
Unit Rates and Proportional Reasoning
COURSE 2 LESSON 5-2
Find each unit price. Then determine the better
buy.
3 lb of potatoes for .89 5 lb of potatoes for
1.59
Divide to find the unit price of each size.
Since .30 lt .32, 3 lb of potatoes for .89 is
the better buy.
5-2
3
Unit Rates and Proportional Reasoning
COURSE 2 LESSON 5-2
1. It took Anthony 5 h 45 min to complete a 25-mi
walkathon. What was his average speed in miles
per hour? Round your answer to the nearest
hundredth. 2. A 20-lb bag of dog food costs
21.50. A 30-lb bag of the same dog food costs
32.90. Find each unit price. Then determine the
better buy.
5-2