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If y varies directly as x and y = 3 when x = 10, find x when y = 8.

Sagot :

Drdanielfriday1idn

Answer:

x=26.6 when y=8

Step-by-step explanation:

y=Kx, k=y/x, when y is 3 and x is 10,

k=3/10= 0.3

but when y is 8, x will be given by

x=y/k

x=8/0.3

x=26.6 approximately 27

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