Computer time costs $4.50 for 30 min. What is the unit rate? Ratios and Rates COURSE 3 LESSON 5-1 cost number of minutes $4.50 30 min = Write a rate comparing.

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Computer time costs $4.50 for 30 min. What is the unit rate? Ratios and Rates COURSE 3 LESSON 5-1 cost number of minutes $ min = Write a rate comparing cost to minutes. = $.15/min Divide. The unit rate is $.15 per minute. 5-1

Keneesha drove her car 267 mi using 11 gal of gas. Vanessa drove her car 210 mi using 9 gal. Give the unit rate for each. Which car got more miles per gallon of gas? Ratios and Rates COURSE 3 LESSON 5-1 Keneesha’s car got more miles per gallon. miles gallons 267 mi 11 gal = Write the rates comparing miles to gallons. miles gallons 210 mi 9 gal = Keneesha Vanessa Divide mi/gal mi/gal 24.3 mi/gal 23.3 mi/gal Round to the nearest tenth. 5-1

(continued) Ratios and Rates COURSE 3 LESSON 5-1 Check for Reasonableness = and Also, = and The answers are reasonable. 5-1

Ratios and Rates Express each ratio in simplest form laps : 81 minutes 2.12 minutes : 3 hours 3.Carli walked 16 miles in 5 hours. Find the unit rate. 4.A 21-oz bottle of shampoo costs $2.80. A 12-oz bottle costs $1.35. Which has the better unit rate? COURSE 3 LESSON mi/h 12-oz bottle 5-1