Search 79,028 tutors

Elsie took all of her cans and bottles from home to the recycling center. The number of cans was one more than four times the number of bottles. She  earned 12 cents for each bottle and 10 cents...

If the runners start at the same point on the track and run in opposite directions, how long will it take the runners to cover 1/4 mile?

As of early 2014, the world's population was about 7.2 billion people. the population of the United States was 317 million. In early 2014, what percentage of the world's population was the U.S. population...

Zach is building a new shed shaped like a square prism. He wants the height of the shed to be 2 feet less than the lenght and width. If he needs the volume to be as close as possible to 3174...

300 cds are sold for \$12.75 each week. To increase sale by an extra \$1,000 per week, they will sell an additional 30 cds for each \$.50 they lower the price. What price do they need to sell the cds...

This is a pre algebra word problem that my 12 year old can't figure out.

My first set of values x=23 and y=5.   The other values I know are x=43 and y=9. What are the values of y if x=18; x=33; and x=8. Please help.Im giving myself a migraine??

The steepest Railway in the world is Katoomba Scenic Railway in Australia. The passenger car is pulled up the mountain by twin steel cables. It travels along the track 1020 feet to obtain a change...