memoji123 memoji123

05-09-2018
Mathematics

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Sofia owes her borther $25. She gives her borther the $18 she earned dog-sitting. write an addition expression to describe this situation

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TheBreeze TheBreeze

05-09-2018

-25 + 18 = -7

Because Sofia was 25 dollars in debt, we represent that as -25. When she paid her brother $18, we add 18 to reduce her overall debt. In the end, she still owes her brother 7 dollars, making the total -7.

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