Question

The variable X varies directly as y, and why is it 28 when is 4/7. Find y when X is 14 ​

Answer 1

Answer:

686

Step by step Solution:

Given y is directly proportional to x

=> y = kx

from first given case y is 28 when x is 4/7

Using it solving for k

28 = k * 4/7 => k = 49

Now when x = 14

y = k*x = 49*14 = 686

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