It is stated that a quantity varies directly as another if the two quantities always change in the same ratio. So, what would happen to the quantity y if the quantity x doubles in value?

Question

Mathematics

Damien Melton

29 October, 22:24

It is stated that a quantity varies directly as another if the two quantities always change in the same ratio. So, what would happen to the quantity y if the quantity x doubles in value?

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Answers (1)

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Johanna Marquez · Answer 1

2k

Step-by-step explanation:

Let k is the ratio between two variables or y = kx

when x double, means: y = k (2x) = 2kx quantity y will change with a ratio 2k