Martha estimated there were 99 marbles in a jar for a contest. The actual number of marbles in the jar was 121. What was the percent error of Martha's estimation?

James lives 11.5 miles from the library. Key lives 100 times that distance from the nearest amusement park. How many miles does he live from the nearest amusement park?

A couch that regularly costs 975 is on sale for 390 what is the percent markdown

Jackson spent 2 2/3 hours skateboarding at 4 different parks this week. he spent the same amount of time at each park. how long did he skateboard at each park

You buy a game for $40, and the sales tax is $2. What percent of the game price are you paying in sales tax? CLEAR CHECK 4% 5% 8% 20%

Look back at the plans these students used to solve the word problem below. Who found a correct solution? The entire school, 250 students, went to the soap box derby. The Math Club went in 2 vans, and each van held 6 students.

Use prime factorization to find the gcf of 24,48

Find the median of 3,7,2,9,4,7,3,7,5,2

4x-4=4x + what equals no values of x

Rena spent 6 days reading her book completing the same fraction of the book each day, she read a total of 8/9 of her book what fraction of her book did she complete in 6 days?

Find a 15% tip on a restaurant bill of $32.60.