A stack of boards is 21 inches high. Each board is 1 3/2 inches thick. How many boards are there?

There are eight more girls than boys in a school play. The ratio of boys to girls is 5 to 7. how many boys and girls are the play?

Researchers at the Centers for Disease Control and Prevention have been studying the decay pattern of a new virus with a decay rate of 19% per hour. They start with 300 viruses that they want to check on in the next 7 hours.

How to simplify 27/8

Tim earns $150 each week plus 15.50 for each desk he assembles right and inequality to represent how many desks he needs to assemble to make 400 dollars in one week

Which are examples of unit rates? Check all that apply

A boy bought 9 new cards to add to his card collection of 25 cards. The next day his dog ate half of his collection. How many cards does he have left?

Lucys pet snake eats 2 mice twice a week how many mice will the snake eat in 6 weeks

Are used car was purchased for 7,800 one year later it was worth 6,400 what is the percentage depreciation

Find the X intercept and the Y intercept from the following linear equation X + 4y = - 56

Ratio Table A change in temperature of 6°C is equivalent to a change in temperature of °F.