Which estimation could be used to make sure the answer is reasonable? Sofia mixed 3.15 L of grape juice with 4.75 L of cranberry
juice. Her friends drank 3.95 L of the juice mixture. How much juice was left over? A.
Answer: The amount left over was 4.05 L.
Estimation: 3.15 + 4.75 is about 7.
7 L – 4 L = 3 L
The amount left over was about 3 L.
B.
Answer: The amount left over was 3.95 L.
Estimation: 3.15 + 4.75 is about 8.
8 L – 4 L = 4 L
The amount left over was a little less than 4 L.
C.
Answer: The amount left over was 11.85 L.
Estimation: 3.15 + 4.75 is about 8 L.
8 L + 4 L = 12 L.
The amount left over was a little less than 12 L.
<span>A. Answer: The amount left over was 4.05 L. Estimation: 3.15 + 4.75 is about 7. 7 L – 4 L = 3 L The amount left over was about 3 L.
This is incorrect because 3.15+4.75 is closer to 8 than 7.
</span><span>B. Answer: The amount left over was 3.95 L. Estimation: 3.15 + 4.75 is about 8. 8 L – 4 L = 4 L The amount left over was a little less than 4 L.
This is correct because 3.15+4.75 is close to 8 and to find the amount left over you do have to subtract.
The correct answer is </span><span>B. Answer: The amount left over was 3.95 L. Estimation: 3.15 + 4.75 is about 8. 8 L – 4 L = 4 L <span>The amount left over was a little less than 4 L.
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Please review your questions before posting them. Your spelling makes it necessary for the reader to try to guess what you mean.
If you meant that the perimeter (not permitter) of a square is 12 units, then the length of one side (not silence) of the rectangle is (12 units)/4 = 3 units.
