kawaikinglolp8266h kawaikinglolp8266h

01-05-2018
Mathematics

contestada

Martin had 7 pounds of grape left, and he gave away 2/5 of them. Explain how to use compatible numbers to estimate the amount of grapes he gave away

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Аноним Аноним

01-05-2018

[tex]7 \times \dfrac{2}{5} = \dfrac{14}{5} \\ \\ \dfrac{14}{5} = 2 \dfrac{4}{5} [/tex]

Answer : 2 4/5 grams.

Hope this helps. - M

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angelicadelgadillo44 angelicadelgadillo44

05-01-2019

Answer:

2/5 is close to 1/2 , and it is easy to find 1/2 of 7 mentally. Half of 7 is 3.5, so Martin gave away about 3.5 pounds.

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