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Grade 6 McGraw Hill Glencoe - Answer Keys
Chapter 1: Ratios and Rates;Lesson 7:Ratio and Rate Problems
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Independent Practice
Question 1
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If 45 cookies will serve 15 students, how many cookies are needed for 30 students?
Question 2
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Four students spent $12 in school lunch. At this rate find the amount 10 students would spend in the same school lunch.
Question 3
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A Clydesdale drinks about 120 gallons of water every 4 days. At this rate, about how many gallons of water does a Clydesdale drink in 28 days?
Question 4
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In 10 minutes, a heart can beat 700 times. At this rate, in how many minutes will a heart beat 140 times? At what rate can a heart beat?
Question 5
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Make a Prediction The table shows which school subjects are favored by a group of students. Predict the number of students out of 400 that would pick science as their favorite subject.
Question 6
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Liliana takes 4 breaths per 10 seconds during yoga. At this rate, about how many breaths would Liliana take in 2 minutes of yoga?
Question 7
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Use Math Tools Find a report in a newspaper or magazine, or on the Internet that uses results from a survey. Evaluate how the survey uses ratios reach conclusions.