Question

Variables y and x have a proportional relationship, and y = 28 when x = 16.

What is the value of x when y = 42?
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X=

Answer 1

24

Step-by-step explanation:

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Answer 2

x = 24

Step-by-step explanation:

y ∝ x

y = kx

solve:

y = k(x)

28 = k(16)

k = 1.75

now when y = 42

42 = 1.75(x)

x = 24