7th Grade Challenging Math 
721) de Fish Dine ordered tomato sauce. de Fish Dine uses 90 kilograms of tomato sauce a day to make their famous dish. After 5 days, there was 2/5 of the sauce
was left. How much tomato sauce did de Fish Dine order in the beginning?
722) The following sequence of operations is done on a number. Multiply by 5, add 2, subtract 10, multiply by 2. The final result is 44. What is the original number?
723) The following sequence of operations is done on a number. Multiply by 8, add 6, subtract 9, divide by 3. The final result is 23. What is the original number?
724) Tim's shoe store just stocked 104 pairs of new shoes. The ratio of black shoes and brown shoes is 5 to 3. How many pairs of black shoes and brown shoes did the store stock?
725) Washington Junior High School
has 270 students. The ratio of female and male students is 5 to 4. How
many female and male students are there?
More challenging math problems for seventh grade:
15 610 1115 1620 2125 2630 3135
3640 4145 4650
5160
6170
7180
8190
