Fifty pounds of a cement-and-sand mixture is 40% sand.

How many pounds of sand must be added for the resulting mixture to be 60% sand?

If the flour ratio is 5 liters flour to 1 liter sugar, then how much sugar is needed if only 2 liters of flour are used. (Give answer as fraction)

Given f (x) = 4x + 6 and g (x) = - x + 9, find f (g (7)).

Alyssa is preparing her grocery list for the week. She wants to have a smoothie for breakfast every day and plans on a total of 6 cups of smoothies made from frozen fruit puree and yogurt. Knowing that fruit puree costs $2.

How much of other chemicals must be evaporated from 400 grams of a hand sanitizer that is 24% alcohol to strengthen it to a hand sanitizer that is 30% alcohol? Correct your answer to the nearest whole number.

The table below shows the number of minutes Morris practiced playing the trumpet during the past five weeks.

In Jim's class, 5 times as many kids take the bus as thos who walk. A total of 24 kids walk or take the bus. How many more kids take the bus than walk?

Franko's pizza is selling their pizzas 35% cheaper than usual. If a pizza normally costs $12.00, how much is it now? (show work)

The primary source of funding for the Medicare program is from A. premiums collected from the elderly population B. payroll taxes on the employed population C. State government funded program D. employers sponsored funds

Arrange the equations in the correct sequence to rewrite the formula for displacement, d=12 (v0+v), to find v0. In the formula, d is displacement, v0 is the initial velocity, v is the final velocity, and t is the time. Show step-by-step solution.

How do I write a fraction that is greater than 1/2 and less then 3/4?