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edjiejwi
edjiejwi
28.12.2019 • 
Mathematics

Astudent solved this problem and said the answer was 8 1/4 feet. jenny had three pieces of rope. one piece was 3 1/2 ft long, another was 2 1/4 ft long, and the third piece was 2 1/2 ft long. how much rope did jenny have in all? is the student's answer reasonable?

a. yes, the answer is reasonable.

b. no, the answer is not reasonable. it should be about 2 feet.

c. no, the answer is not reasonable. it should be about 5 feet.

d. no, the answer is not reasonable. it should be about 15 feet.

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