Anonymous Anonymous

20-01-2017
Mathematics

Answered

y varies directly with x, and y = 15 when x = 3. What is the value of x when y = 4?

Verified Answer :

erika18marie erika18marie

20-01-2017

Y varies directly with x means that the equation would be y=kx.
15=k3
k=5
So, 4=5x for when y=4
Divide both sides by 5 to get 4/5 = x
Therefore, the value of x is 4/5
Hope this helped! xx

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