shaymperry5992 shaymperry5992

28-03-2021
Mathematics

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The value of y is directly proportional to the value of x If y=81 when x=54, what is the value of y when x=38

Respuesta :

28-03-2021

Answer:

y = 57

Step-by-step explanation:

y α x

y = kx ; k = Constant of proportionality

81 = k* 54

k = 81/54

k = 1.5

Value of y when x = 38

y = kx

y = 1.5 * 38

y = 57

Hence, y = 57 when x = 38

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