Y - 3 = 1/2 (x + 4)
y - 3 = 1/2 x + 2
1/2x + 2 = y - 3
1/2x - y = -3 - 2
1/2x - y = -5 answer
B.!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
so 21 - 13, the money will be invested for 8 years.

I believe the answer is 7 since 8x squared is 64x and subtract 4x=60x
60x/16x multiplied by 5/x-5. but i am not sure since i do not know the value of X sorry buddy, just trying to help
Answer:
if there is equivalent ratio cookies should be 48