at a school there are 63 sixth grade students who buy their lunch. there are 90 students in the sixth grade. what percent of the sixth grade students in the school buy their lunch?

Mr. Jones has 4 shirts, 2 ties, and 3 pair of pants. How many days in a row can he wear a different outfit?

Gumballs are 2 for 8 cents. How many gumballs can I buy for 32 cents?

Which equation represents the line that passes through (-6, 7) and (-3, 6) ? A:y = - x + 9 B:y = - x + 5 C:y = - 3x - 11y D:y = - 3x + 25

What percent of 10 is 6?

Caden bought four books. The cost of three books were $10,$13, and $15. The average cost of four books is at least $14. What is the minimum cost of four books

Jane paid a total of $79 for a pair of shoes and 2 hats. The price of each hat was $12. Use rounding toestimate how much Jane paid for the pair of shoes.

Two redwood trees are the same height. A third tree's height is x feet. The first tree is 50 feet more than three times the height of the third tree. The second tree is 100 feet taller than twice the height of the third tree.

Express 400 miles in 6 hours as a ratio

The owner of a video store has determined that the profits "P" of the store are approximately given by P (x) = - x^ (2) + 30x+76, where x is the number of videos rented daily.

Harold stores 10,656 pounds of grain for his 24 cattle. Each cow eats about 12 poinds of grain each day. How many days would the food supply last?