Mathematics, 07.11.2019 08:31 evarocks352
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.
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.
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.
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.
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