Each of three friends—Lin, Jada, and Andre—had the goal of raising $40. How much money did each person raise? Be prepared to explain your reasoning.
Lin raised 100% of her goal.
Jada raised 50% of her goal.
Andre raised 150% of his goal.
11.2 Three-Day Biking Trip
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Question 2
2.
Elena biked 8 miles on Saturday. Use the double number line to answer the questions. Be prepared to explain your reasoning.
What is 100% of her Saturday distance?
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Question 3
3.
Elena biked 8 miles on Saturday. Use the double number line to answer the questions. Be prepared to explain your reasoning.
2. On Sunday, she biked 75% of her Saturday distance. How far was that?
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Question 4
4.
Elena biked 8 miles on Saturday. Use the double number line to answer the questions. Be prepared to explain your reasoning.
3. On Monday, she biked 125% of her Saturday distance. How far was that?
Practice Problems
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Question 5
5.
During a basketball practice, Mai attempted 40 free throws and was successful on 25% of them. How many successful free throws did she make?
If you get stuck, consider using the double number lines.
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1
Question 6
6.
Yesterday, Priya successfully made 12 free throws. Today, she made 150% as many. How many successful free throws did Priya make today?
If you get stuck, consider using the double number lines.
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1
Question 7
7.
A 16-ounce bottle of orange juice says it contains 200 milligrams of vitamin C, which is 250% of the daily recommended allowance of vitamin C for adults. What is 100% of the daily recommended allowance of vitamin C for adults?
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Question 8
8.
At a school, 40% of the sixth-grade students said that hip-hop is their favorite kind of music. If 100 sixth-grade students prefer hip hop music, how many sixth-grade students are at the school?
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Question 9
9.
Diego has a skateboard, scooter, bike, and go-cart. He wants to know which vehicle is the fastest. A friend records how far Diego travels on each vehicle in 5 seconds. For each vehicle, Diego travels as fast as he can along a straight, level path.
100 inches equal 254 centimeters. What is the distance each vehicle traveled in centimeters?
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Question 10
10.
Diego has a skateboard, scooter, bike, and go-cart. He wants to know which vehicle is the fastest. A friend records how far Diego travels on each vehicle in 5 seconds. For each vehicle, Diego travels as fast as he can along a straight, level path.
Rank the vehicles in order from fastest to slowest.
bike
skateboard
scooter
go-cart
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Question 11
11.
It takes 10 pounds of potatoes to make 15 pounds of mashed potatoes. At this rate: How many pounds of mashed potatoes can they make with 15 pounds of potatoes?
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Question 12
12.
It takes 10 pounds of potatoes to make 15 pounds of mashed potatoes. At this rate: How many pounds of potatoes are needed to make 50 pounds of mashed potatoes?
Source: Open Up Resouces (Download for free at openupresources.org.)