Lori bought a shirt and a hat at a half off sale. If she spent a total of $21 on the two items, what was the original price of the hat?

10x - 4 + 20 = 116 What does x equal

Mr and Mrs Kosley took their dog on a walk. Mr Kosley walks 5mph and Mrs Kosley walks 6mph. The dog walks 10mph. On the path, the dog ran back and forth between Mr and Mrs Kosley. After an hour how far did the dog run?

There is 4 inches of water in the swimming pool before the day started. The rainfall is falling at 3 inches per minute. Write an inequality for how much water is in the pool, let x represent the minutes.

Write the sum as a product simple simplify the product (-2) + (-2) + (-2) + (-2)

3/4 is added to x, the result is 9/8. What is the value of x? Enter your answer in the box as a fraction in simplest form.

How much is $3,204 plus $79,402?

Mario has b books. After receiving 5 new books for his birthday, he had 18 books

Danny's 7 friends contributed an equal amount of money to buy him a birthday present. The present cost $84. How much money did each friend contribute?

How much will a saver earn in 10 years on a $100 deposit that earns 5% compound interest (compound annually) ?

Distributive property: Example: 6 (2x - 3) = 12x - 18 "Combine like terms" means 3x + 4x = 7x. But we cannot add 3x + 4. Simplify, don't solve for x, just simplify, write it with only one x and no parenthesis: 2 (4x - 1) + 3x =