A biologist is studying a form of bacteria that grow 20% every hour

A chef prepared five chocolate tortes for dinner party the guests consumed 2 5/16 tortes. how many tortes are left?

Isaac shoveled 9 of his neighbors' driveways after a snow storm. He charged $25 for a short driveway and $45 for a long driveway. Which equation can be used to find y, the total amount that Isaac charged when x of the driveways are short?

How would solve 2y+6x=0

A paper has an area of 546 square centimeters. What is the papers area in square inches

Avery gets newsletters by e-mail. He gets one for sports every 5 days, one for model railroads every 10 days, and one for music every 8 days.

The area of a rectangular classroom is 320 square feet. If the length and width of the classroom are multiplied by 4, what is the area of the new classroom? A) 5120 B) 2540 C) 1700 D) 3840

Ben has been 30 minutes late to work on each of the last 7 days. The number of hours that he has been late will be deducted from his usual 40 hour work week. How many hours will be deducted?

Abigail redecorated her house. A scale drawing of her house can be seen below. If each 6 cm on the scale drawing equals 12 ft, what are the actual dimensions of Abigail's house?

Shawn sells 36 vehicles in 4 weeks, Brett sells 56 vehicles in 7 weeks. Who sells more vehicles per week?

7/8 subtracted by 2/7