Question

If x varies directly as y and x = 7 when y =36 find y where x=21

Answer 1

Answer:

108

Step-by-step explanation:

x varies directly with y

=> x1/y1 = x2/y2

x1=7,

y1=36

x2=21

y2=?

7/36=21/y2

y2=36×3=108

hope this helps