A hair dye is made by blending 7% hydrogen peroxide solution and a 4% hydrogen peroxide solution. How many milliliter of each are used to make a 300 mL solution that is 5% hydrogen peroxide?

The balcony of an apartment is 4 feet by 7 feet. On a scale drawing of the apartment, the balcony is 0.8 inch by 1.4 inches, and the kitchen is 2.4 inches by 2.8 inches. What are the actual dimensions of the kitchen?

What is the answer to - 3x (4x-2)

Keith looked at new cars for 40,000 and used ones go for 85% of a new car, how much is a used car

Eduardo rented a bike from James' Bikes. It cost $19 plus $6 per hour. If Eduardo paid $49 then he rented the bike for how many hours?

The equation C = f - 32 / 1.8 relates the temperature in degrees fahrenheit F to degrees Celcius C. If the temperature is 25 degrees celcius what is the temperature in degrees fahrenheit?

If 80 is 80 percent of a value what is that value

Halle solved 664/48 below. She got a quotient of 13 with a remainder of 40. How could she solve 659/48 without redoing the work? Explain your thinking.

A cable car begins its trip by moving up a hill. As it moves up, it gains elevation at a constant rate of 50 feet/minute until it reaches the peak at 2,000 feet. Then, as the car moves down to the hill's base, its elevation drops at the same rate.

Alana iked 45 miles in 3 hours how many miles did she bike in 1 hour

In chemistry, n molecules of an ideal gas have pressure (p), volume (v), and temperature (t) that stand in the following relation, where r is a constant. solve the equation for n, the number of molecules.