kelseacurtis98 kelseacurtis98

09-12-2015
Mathematics

contestada

Find the product. Simplify if possible. -1/3 * (8 1/7) A. -2 5/7 B. -3/8 C. -1/21 D. 1/3

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crisforp crisforp

09-12-2015

8 1/7 = (8*7 + 1 ) / 7 = 57 / 7 ;
(-1/3)*(57/7) =(-57/21) = (-57÷3)/(21÷3) = (-19/7);

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redcloud redcloud

09-12-2015

-1/3×8 1/7
-1/3×57/7
-(1×57)/(3×7)
-57/21
-19/7
B. -2 5/7

Answer Link

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