Paulette has $140 in $5 and $10 bills. The number of $10 bills is one less than twice the number of $5 bills. How many of each does she have?

Sally purchases some apples and oranges for $5.25. Oranges cost 51 cents each and apples costs 42 cents each. Sally purchased 11 pieces of fruit in total. How many oranges did Sally purchase A boy is 15 years old and is three times older than his sister. When the boy is 60 years old, how old will his sister be?

Alyson hired a face-painter for a birthday party. The painter charged a flat fee of $55 $ 55 , and then charged $3.50 $ 3.50 per person. In the end, Alyson paid a total of $146 $ 146 . How many people used the face-painter’s service

A man went to the store to buy some gum. The man had some change (three quarters, 2 nickels, one dime, and two pennies) in his pocket. When the cashier asked him to pay the total amount for the gum, the man could not pay the exact amount but could pay for the gum. The total price was greater than $0.75 and less than $1. What could have been the cost of the gum?