The mean mark for the class was 70%. There are 30 students in the class, 20 of whom are boys. The mean mark for the boys is 62%. What is the mean mark for the girls?

One competitor in a 100-mile bicycle race took a total of 5 hours to complete the course. his average speed in the morning was 23 miles per hour. his average speed in the afternoon was 13 miles per hour.

How can you approximate the square root of 30?

What is $210 reduced by 40%

There are 20 student desks in Ms. Johnson's. Each desk measures 25.1 inches long. If you were to line up all the desks end-to-end, how long would all the desks be?

The height and radius of a cylinder are 23cm and 5cm what the volume?

Last month, Korey's Comics had a gross profit of $2,385 with a monthly revenue of $3,465. Korey expects similar sales this month, but he would like to build up his in-store browsing selection, and purchases an additional assortment of comic books

There was a plate of cookies on the table. Amanda was hungry because she hadn't had breakfast, so she ate half the cookies. Then Beth came along and noticed the cookies. She thought they looked good, so she ate a third of what was left on the plate.

If sales tax is 5%, what is the sales tax on an item costing $65?

You pick a card at random. 2 3 4 5 What is P (5) ? 1% 25% 41% 11%

How do you turn 3.0035 into a fraction