At Pizza Palace, 1 large and 2 small pizzas cost the same as 5 small pizzas. A small pizza costs $4. What is the cost of a large pizza?

What is the fewest number of marbles that Jeff could have? Here are the clues: When he puts them in groups of 3, there are no marbles remaining. When he puts them in groups of 2 or 5, there is one marble left.

Randy and Luisa started reading their books at the same time. Randy reads 12 pages a day. Luisa reads 8 pages a day. After 4 days, how many more pages has Randy read?

Curt has some change in his pocket. He has 3 quarters, 2 dimes, and some nickels. Altogether, he has $1.30. How many nickels does Curt have?

Katie is having fun measuring things. This is what she discovered: 2 straws are as long as 5 crayons. 15 crayons are as long as 28 paperclips. How many paperclips are as long as 3 straws?