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McGraw-Hill Math Grade 3 Answer Key Chapter 12 Lesson 8 Problem Solving
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Question 1.
Ramona wants to carpet the floor of her puppy’s doghouse. She cannot spend more than $27.00. Does she have enough money to buy blue carpeting? Explain.
Answer:
No, she don’t have enough money to buy blue carpeting
Explanation:
The area of the Doghouse is 3 x 3 = 9 square units
The price for each blue square unit is $5
9 x 5 = $45
Ramona cannot spend more than $27.00
So, she don’t have enough money to buy blue carpeting.
Question 2.
Which color carpeting should Ramona buy?
Answer:
Ramona should buy yellow carpeting
Explanation:
The area of the Doghouse is 3 x 3 = 9 square units
The price for each red square unit is $4
9 x 4 = $36
Ramona cannot spend more than $27.00
The area of the Doghouse is 3 x 3 = 9 square units
The price for each yellow square unit is $3.00
9 x 3 = $27
Ramona has $27.00
So, Ramona should buy yellow carpeting.