3 years ago

P varies directly as q. When q = 31.2, p = 20.8. Find p when q = 15.3.

2 answers:

Len [333]3 years ago

8 0

The answer is 10.2 because you cross multiply Q over P. <span />

8 0

15.3/31.2 = x/20.8
31.2x = 20.8*15.3
31.2x = 318.24
x=318.24/31.2
x=15.01

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