Tori had 3/5 as many marbles as Dana. Dana gave 9 marbles to Tori so that they would each have the same amount. How many marbles did the two friends have altogether?

The lenght of diving board is 378 cm what i the lenght in meters

Crystal is having a painting party with her friends. Each friend will need two canvases. The equation to find the total number of canvases Crystal needs is c=2f, where c is the number of canvases and f is the number of friends.

Jami can mow 1/6 acres in 8 minutes. If her rate is constant, can Jami mow 1 1/2 acres in one hour? Explain your reasoning.

What is the opposite of the number - 2.5? How does the position of - 2.5 compare to its opposite on the number line?

N/10=31 N divided by 10 equals 31

5 (-2 + x) = 35 Solve for x.

Lisa built a a rectangle garden that is 4 feet wide and has a perimeter of 26 feet. What is the length of Lisa's flower garden

What is 4r+6s-t=-18 3r+2s-4t=-24 -5+3s+2t=15 using elimination method

If an average grade of an English class rose from 70 to 80 what is the approximate percent increase

Angie was told to read a novel for English class. She has already read the first 12 pages and can read 10 pages per hour.