16-10-2019
Mathematics

contestada

if y varies directly with x and y=4 when x=12 then what is the value of y when x=40

Respuesta :

joseaaronlara joseaaronlara

16-10-2019

Answer:

The answer to your question is: y = 13.3333

Step-by-step explanation:

This is a ratio and proportion problem

We know that

12 : 4 :: 40 : y

y = (4 x 40) / 12

y = 160 / 12

y = 13.3333

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