A bat and a ball cost $1.10. The bat costs one dollar more than the ball. How much does the ball cost?
The ball costs 5c
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?
Eggs are $0.12 a dozen. How many eggs can you get for a dollar?
100 eggs, at one penny each