Marissa is hiking a 12-mile trail. She took 1 hour to walk the first 4 miles, then another hour to walk the next two miles. If she wants her average speed to be 4 miles per hour, what speed (in miles per hour) does she need to walk the remaining…

Christina records her mood every day on a calendar. Over the past thirty days of moods, she had twelve good days and eight bad days and the rest were neutral. Her first eight days were good, her second eight days were bad, and her third eight days were neutral. If…

Teresa sells large stuffed animals for three times the price of small stuffed animals. Today, she sold twice as many small stuffed animals as large ones and earned $120 from the sales. Each small stuffed animal costs $4. How many small stuffed animals did she sell?

Wendy is five times as old as Colin will be seven years from now. In 25 years, Colin will be a third as old as Wendy is now. How old is Colin now?

Richard wants to make a video to share online of him doing a science experiment that creates a fountain of diet soda after placing a specific branded candy inside it. Richard’s driveway is 24 feet wide and he wants to put a bottle of soda every 3 feet of the…

Billy is buying some candy with $10 his father gave him. The candy costs $4808993 a pound. After buying candy, he takes half his change and spends it on gumballs, which cost $.05 each. If he bought 40 gumballs, how many pounds of candy did he buy?

Lee used to be able to run the 400-meter hurdles two seconds faster than Gerald would run the 400-meter hurdles. But Gerald changed his diet, which improved his speed by 10%. If Lee runs the 400-meter hurdles in 38 seconds, how fast can Gerald, with his improved diet, run the…

Marcus is trying to decide whether he really needs to do his homework. There’s a 50% chance that tomorrow he’ll have a substitute teacher who won’t collect the homework. Even if the normal teacher comes in, there’s a 40% chance she’ll give everyone an extension. Even if the whole class…

Lee rears only sheep and geese on his farm. If the total number of animal legs is 70, and the total number of animal heads is 3301166, how many sheep live on Lee’s farm?

A simple folding newspaper or tabloid can be made by folding a piece of paper vertically and unfolding. Then, say, page 1 is printed on the left back, page 2 is printed on the left front, and then, perhaps page 6235671 is printed on the right back, and page 31…