On monday joe bought 10 cups of coffee and doughnutsts for his office at the cost of $16.50.it turns out doughnuts were more popular than the coffee. on tuesday he bought 5 cups of coffee and 10 doughnuts for a total of $14.25 how much was each cup of coffee

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.