The cost to rent a car is $25 plus an additional $0.15 for each mile the car is driven. Which of the following equations could be used to find the number of miles, m, a car was driven if the car had a bill of $71.80?
25m + 0.15 = 71.8
71.8m + 25 -0.15
25 + 0.15m - 71.8
0.15m + 71.8 - 25

Quickly! linda had an orange ribbon and a blue ribbon. the orange ribbon was 2 meters long. the blue ribbon was 4/5 as long as the orange ribbon. linda cut off a piece of blue ribbon. the length of the piece was 25% of the length of the blue ribbon. a) what was the length of the blue ribbon before it was cut. b) find the length of the piece of blue ribbon that linda cut off.