# Math

Five times the difference of twice a number and three, decreased by the sum of this number and eight, equals thirteen.

# related riddles

# Math

Jeff has $28.75. He purchased three cookies that cost $1.50 each, five newspapers that each cost $0.50, five flowers for $1.25 each, and used the remainder of the cash on a pair of sunglasses. How much were the sunglasses?