Question

Write an equation that expresses y in terms of x

x values: 20, 30, 40, 50
Y values: 30, 45, 60, 75

Answer 1

the answer is y=1.5x

Explanation:

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Answer 2

9514 1404 393

Answer:

y = 1.5x

Explanation:

We notice that the ratio y/x is a constant: 30/20 = 3/2. Then y is proportional to x and the equation can be written ...

y = (3/2)x