Answer:
He invested $1200 and had a balance of $1260 after 3 years.
y=3x
Step-by-step explanation:
y=kx, where k is constant
3y, 1x...so 3y = 1x
check: looking at the graph at 4.5y, 1.5x where y and x intersect...
4.5=3(1.5)
3 x 1.5 = 4.5
It would be 24 cars
because its mupiling by 2
