A5-lb box of soap powder costs $ 4.65. a 10-lb box of the same powder costs $ 8.90. which is the better price?

4.65 /5 = 0.93 per pound

8.90 /10 = 0.89 per pound

 the 10 pound box is the better price because it is cheaper per pound

1 mph

step-by-step explanation:

if the question is asking how much does she drive per mile then,

13 / 13 = 1 mph