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17-02-2018
Mathematics

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what is the value of the expression ( 2 1/4 - 7 1/2) divided by (-1 1/4)

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calculista calculista

17-02-2018

we have that
2 1/4------------ > (8+1)/4=9/4
7 1/2--------------- > (14+1)/2=15/2
1 1/4------------- > (4+1)/4=5/4

then
(9/4-15/2)------------ >(9-15*2)/4=-21/4
-21/4/(-5/4)=21*4/(5*4)=84/20=42/10=21/5

the answer is 21/5

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