Question

Ifx and y vary directly such that x = 7 when y = 5, find y when x = 21. ​

Answer 1

Answer:

y=15

Step-by-step explanation:

x=7;y=5

X=7*3=21

Y=5*3=15

Answer 2

Answer:

If x = 7 and y = 5, then

If x = 21 then x = 15