charmaine wrote:at a certain diner, a hamburger and coleslaw cost 3.59, and a hamburger and french fries cost 4.40. if french fries cost twice as much as coleslaw, how much do french fries cost ?
ans. 0.90
thanks
H+C = 3.59
H+F = 4.40
F = 2C
substitute the values of F in second equation and solve for C
C = .81
F = 1.62.
1.62 is the answer, which is again not the OA. Source pls ?
