out of the 40 students in the seventh-grade class, 60% of the students carry a cell phone. what fraction of the students in the seventh-grade class carry a cell phone? show your work.

Tom needs to buy four tickets at 16 dollars each with a service fee of 2.50. Write an expression to solve for n

Explain how you know that square root of 30 is between 5 and 6

Find the area of a diameter of 200 ft. What is the radius?

If you can buy 4⁄5 of a pound of ham for 3 dollars, how much can you purchase for 10 dollars? Write your answer as a fraction of a pound.

Allison has 1/2 cup of yogurt for making fruit parfaits. Each parfait requires 1/8 a cup of yogurt. How many parfaits can she make?

There are 36 people in newtown hiking club. 2/3 of the club must vote yes if the club is to hike the northern trail. 20 people have voted yes. how many more yes votes are needed?

One revolution of a 40 cm diameter ball compared to a 20 centimeter diameter ball is: A. 2 times as great. B. 4 times as great. C. The same D. 1/2 times as great.

Complete the equation of the line through (2,-2) and (4,1). Use exact numbers.

The distance between two towns is 15 miles. There are 20 distance markers evenly spread throughout the road between the towns. Jessie drove 45 of the distance when she was forced to stop because she ran out of gas.

A parking space shaped like a parallelogram has a base of 18 feet and a height is 7 feet. A car parked in the space is 15 feet long and 5 feet wide. How much of the parking space is not covered by the car?