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how do i find out what the answer is to ? x 5/7 = 30/7 or 4 2/7

Sagot :

AL2006idn
(What) times 5/7 = 30/7

Divide each side by 5/7 .

(What) = (30/7) divided by (5/7) = (30/7) x (7/5) = 30/5 = 6 .

(What) = 6

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Easier way:

(What) x (5/7) = 30/7

Multiply each side by 7 :  (What) x (5) = (30)

Divide each side by 5 :    (What)  =  6
Apologiabiologyidn
so the denominator (bottom number) is the same so we just want to change the numerator(top number) so 5 times what=30
in the multiplication table we remember that 5 times 6=30 so
5/7 time 6/1=30/7=(5*6)/(7*1)
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