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A student solved this problem and said the answer was 4 inches.



Joseph had a raspberry fruit bar that was 5 1/2 inches long. He had an apple fruit bar that was 2 1/2 inches long. He ate 3/4 inch of the raspberry fruit bar. What is the total length of the remaining fruit bars?



Is the student's answer reasonable?


A.
Yes, the answer is reasonable.

B.
No, the answer is not reasonable. It should be about 7 inches.

C.
No, the answer is not reasonable. It should be about 12 inches.

D.
No, the answer is not reasonable. It should be about 2 inches.

Respuesta :

prestonshelton
Hello!

First you can add the two fruit bars together

5 1/2 + 2 1/2 = 8

Since he at 3/4 of one of them you do

8 - 3/4  = 7 1/4

Since our answer is different than the students their answer is not reasonable

The answer is B since our answer is close to 7

Hope this helps!

Answer:

B.

No, the answer is not reasonable. It should be about 7 inches.

Step-by-step explanation:

raspberry fruit bar 5 1/2 inches

plus apple fruit bar 2 1/2 inches

minus 3/4 inch ate

equal 5 1/2 + 2 1/2 - 3/4 = 7 1/4 inches

so ans is B.  No, the answer is not reasonable. It should be about 7 inches.

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