Peter has only quarters and dimes in his coin collection. If he has three times as many quarters as dimes, which is an expression for the number of quarters he has in terms of the number of dimes?

Simplify 9r-2s-4r-3s

4. A laptop and a mobile phone were bought for 40000 and 24000 respective shopkeeper made a profit of 8% on laptop and a loss of 12% on mobile phone to find his gain or loss percent on the whole transaction.

1. Colored copies cost 10¢ per copy and white copies cost 5¢ per copy. Sandy made 400 copies, some of which were colored and the rest white. Her total bill was $22.50, How many colored copies and how many white cepies did she make?

18 boys in a class of 30 boys what's the percentage of the boys

Mariam, Anna and Sara divided 4800 shilling. Mariam got 1/4 and Anna 3/5 of all the money. How much money did Sara get?

Which two numbers add up to - 11 that multiply to - 432?

Ou are having a family-barbeque. In attendance are a grandfather, a grandmother, two fathers, two mothers, four children, three grandchildren, one brother, two sisters, two sons, two daughters, one father-in-law, one mother-in-law and one

4x+3 solve the equation

Which represents an exterior angle of triangle XYZ? ∠LXZ ∠JXM ∠JXZ ∠HXJ

How many gallons of paint are required to paint the walls of a building having l = 50 ft w = 40 ft. h = 80ft. 1 gallon of paint can cover 500 square feet of the wall