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solve each proportion. 6.6/p = 9/12.15

Sagot :

s1m1

Answer:

59.4/ 82.5 = 9/12.5

Step-by-step explanation:

6.6/p = 9/12.15

A fraction equal with another fraction, so we can cross multiply to to have a multiplication equal another multiplication.

6.6 * 12.5  = 9* p

To isolate p (our unknown) we divide both sides by 9

( 6.6 * 12.5) /9   = (9* p)/ 9

( 6.6 * 12.5) /9   = p

82.5 / 9 = p

The proportion is:

6.6/p = 9/12.15, substitute p = 82.5 / 9

6.6/(82.5/9) = 9/12.15, use that: a / (b/c) = (a/1 )*(c/b) = (a*c) / b

(6.6*9)/82.5 = 9/12.5

59.4/ 82.5 = 9 /12.5

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