Ravi has some money. If he buys 40 doughnuts, he will have $5 left. If he buys 50 doughnuts, he will need another $15. How much does one doughnut cost?

Dawn has 5/6 yard of lace. she uses 4/5 of it for a dress and the rest for a jewel box. how much ove does she use for the jewel box?

Which relationship is always true for the angles x, y, and z of triangle ABC? A triangle is shown with a leg extending past the top vertex. The vertices are labeled ABC. Angle y is located inside the triangle at vertex B.

The total cost of a pair of skates and kneepads is $63. The scates cost $45. Write an equation to describe this scenario. When you are done, use mental math to give me the value of the variable.

Which equation and solution can be used to solve this problem? Twenty-two less than a number is twenty-four. q + 22 = 24: Subtract 22 from both sides. The answer is 2. 24 + q = 22: Subtract 22 from both sides. The answer is 2.

Mrs. Sullivan had 18 erasers at the end of the day. She remembered giving out 14 and getting back 11, then giving out 13 and getting back 14. How many erasers did she start with?

Cheyenne drove 3000miles in 75 hours. at this rate, how long will it take her to drive 4000 miles

Only using 2,3,5,8 once to get 104 as many times as possible

What is the quotient of 12 and the opposite of 3 plus the product of the opposite of 14 and 4

If you work for 5 hours and make 36.25 how much do you make each hour

How to express - 8+4-2+1 in sigma notation