darshna210781 darshna210781

25-10-2021
Mathematics

contestada

If varies directly as y and y = 15 when = 25. If = 155 then y is

Respuesta :

mathstudent55 mathstudent55

25-10-2021

Answer:

y = 93

Step-by-step explanation:

I assume the other variable is x.

"If x varies directly as y and y = 15 when x = 25. If x = 155 then y is"

Direct variation:

x = ky

25 = k * 15

k = 25/15

k = 5/3

The direct variation equation is

x = (5/3)y

155 = (5/3)y

y = 155 * 3/5

y = 93

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