donate $x per 1 car within 30 days, total amount donated-?GHong14 wrote:
st(1) 500 cars sold, x-? Not Sufficient
st(2) 28,000=x*([number of cars]+60), number of cars-? Not Sufficient
Combined st(1&2): 28,000=x*(500+60) -> 2,800=56x -> 7*400=7*8x -> 400=8x, x=50 -> 50 cars initially agreed to be donated
answer C.
