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22-12-2021
Chemistry

contestada

If there is direct variation and y=75 when x=25, find x when y=48.

A. x=16

B. x=10

C. x=12

D. x=14

Respuesta :

23-12-2021

x = ky where k is a constant

first u find k so :
25 = k * 75
25/75 = k
k = 1/3

now when y = 48 just substitute the values
x = ky
x = 1/3 * 48
x = 16

the answer is A) x=16

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