Question

If x and y vary directly and y is 120 when x is 15, find y when x is 6.

Answer 1

Explanation:

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Answer 2

y = 90

Explanation:

Given,

x and y vary directly

Also, when y = 120, x = 15

So,

x = 1, y = 120/15 = 8

Therefore, when x = 6, y = 90