Mary mixies white paint and blue paint in the ratios 2:3. She makes a total of 20 litres of paint. How much more blue paint does she needs to add to the mixture so the ratios of white paint to the blue paint become 1:7?

Henry decorates the top of each cupcake with 3 walnuts. If he has 56 walnuts, is that enough to decorate 2 dozen cupcakes?

Solve the equation. -4 (n-6) = 12

Solve for m. 4+|7-m|=5 m = 6 or m = 8 m = 2 or m = 16 m = 16 or m=-2 m = 6 or m=-8

Keisha and her friends visit the concession stand at a basketball game. The stand charges $2 for a hotdog and $1 for a drink. The friends buy a total of 8 items for $11.

A planta Heights is 1.4 times its age. Write an equation for this situación.

A dump truck is careying 4250 pounds of gravel. There are 2000 pounds in a ton. Express the weight of the gravel in tons only by using a mixed number. If necessary, simplify the fraction part of the mixed number.

A marketing research company desires to know the mean consumption of milk per week among males over age 25. They believe that the milk consumption has a mean of 2.5 liters, and want to construct a 85% confidence interval with a maximum error of 0.

Four friends go mout to dinner and decides to split the bill evenly. each friend orders a soda for 2.00, an entree for 12.99 and they all four share a dessert for 7.99 how much is the total bill

I need to know what is 5: 1 -- 4

April can buy a package of 10 folders for $1.20 or a package of 8 folders for $1.12. What is the unit price, per folder, in each package?