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30-05-2017
Mathematics

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What is the value of the expression?
-2/5 - (3/7) x (7/10)

A. -7/10

B. -1/3

C. 1/3

D. 7/10

Respuesta :

fussellk fussellk

30-05-2017

must do multiplication first....
-2/5 - 3/7 x 7/10
-2/5 - 21/70 (I'll reduce 21/70)
-2/5 - 3/10
Now you have to find a common denominator and subtract
-35/50 = -7/10......is what I get

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