Question

when x varies directly as 2y and x= 6 when y= 20 find y when x=9
please answer this question​

Answer 1

Answer:

then y=30

Step-by-step explanation:

when,x=6 and y=20 then x=9 then y=?

6÷9=20÷y

6×y=9×20 (by cross multiplying)

6y=180

y=180÷6

y=30