Question

Suppose that y varies directly with x , and y=15 when x=24 .

for (a) I need to write a direct variation equation that relates to x and y.
for (b) I need to find y when x = 3

Answer 1

y/x=15/24=5/8=k
a) ⇒ y=x*5/8

b) y= 3* 5/8=15/8