If Jaalan takes the number of marbles he has and multiplies it by 5 and then subtracts 10, he gets 275. Write an equation and solve to see how may marbles Jaalan has.

A bag of potatoes has a mass of 4 kilograms. Some potatoes are taken out. The mass is now 2305 grams. What is the mass of the potatoes in grams that were taken out of the bag?

The sum of the measures of the interior angles of a polygon is 2880°. How many sides does the polygon have?

Find x when y=3 in the literal equation 3x+6y=24

Total Weight (in pounds) 12, 18, 30, 60 Number of Books 10, 15, 25, 50 A. Does the table represent a proportional relationship? B. If the relationship is proportional, what is the constant of proportionality?

What fraction is equivalent to 5/6 divided by 1/3

Sam had $24 to spend on 7 pencils. After buying them she had $10. How much did each pencil cost?

Determine if - 10,-12, or - 16is the solution of 2t-2=26

Find the x-intercept of 3x + 2y = 12 is (__, 0)

A rug is shaped like a rectangle whose perimeter is 108ft. the length is 2 times as long as the width. find the length and the width.

There are 20 machines in a factory. 7 of the machines are defective. Assuming you randomly choose one, place it back in the pile and randomly choose the second one, what is the probability that both choices will be defective machines?