Johnny has 10 bills that add up to $320. Some bills are 50 dollar bills and the rest are 20 dollar bills. How many are 50 dollar bills and how many are 20 dollar bills?

How do you write 20 in exponential form

Marc sold 516 tickets for the school play. Student tickets cost $3 and adult tickets cost $5. Marc's sales totaled $2046. How many adult tickets and how many student tickets did Marc sell? Select one: a. 272 adult, 244 student b.

What is 28/49 in the simplest form

Reducing fractions 5 to 30

2. The formula M=log I/S determines the magnitude of an earthquake, where I is the intensity of the earthquake and S is the intensity of a "standard earthquake.

If you draw a card from a regular deck of 52 cards, what are the chances that your card would be red? A heart? A queen? The queen of hearts?

What the best representation of 7/15

Which is greater 1/2or 3/8?

Write each mixed as a decimal. a) 1 3/4 b) 2 13/20

leonardo recorded his speed while skateboarding and determined he was traveling 18 feet per second. how many feet could he travel in one minute