Exercise #1: In each case below, a pair of values has been given for two proportional variables. For each do the following: (1) give an equation for y in terms of r and (2) find the missing value
for y using that equation.
(a)
x= 4, y = 12
(b)
x=10, V= 5
(c)x=6,y=10
+=2, y=?
x=16, y=?
r =9, V=?