A box of 80 coins, consisting of only nickels and dimes, is worth 7 dollars and 80 cents. Find the number of nickels.

Write a story or real life situation that situation that could be solved with 24 / 6

Ann took a taxi home from the airport. the tax fare was $2.10 per mile, and she gave the driver a tip of $5. Ann paid a total of $49.10.

Mary is 12 years old now, and is three times older than her sister. how old will mary be when she is twice as old as her sister?

What is m24 + m25 + m26?

What is the area of a circle with the diameter of 90?

Your job pays $8 per hour. (a) Write an algebraic expression for your pay in dollars for working h hours. (b) What is your pay if you work 36 hours?

Mike is playing a game using a number cube and a quarter. He tosses both at the same time. What are all the possible outcomes during one turn? How many outcomes are in the sample space?

Round 630 to the nearest ten

ellen sells mugs that are in boxes in the shape of a cube. The edges of the boxes have a lenght of 1/2 foot. Ellen can completely fill a container in the shape of a rectangular prism with 378 boxes. What is the volume of her container?

1. 7/8 - 1/2 2. A security camera rotates 30° every 10 seconds. how long does it take the camera to rotate 360°?