how many gallons each of 25% alcohol and 5% alcohol should be mixed to ontain 20 gal of 24% alcohol?

How to solve y=5040+.59y-30r to y=12292.7-73.2r

8.97in exlanded form

What is the y intercept of - lx+5y=40

A room measures 12 feet by 12 feet. A couch is 10 feet and 6 inches long. If you center the couch in the middle of the room, how far will each end of the couch be from the nearest wall?

You take out a student loan for $80,000 with 2.75% annual interest to pay for your first year of college. This loan will cover all course fees and books. Write an exponential growth equation to model the situation.

44/5 as a mixed number

Determine the sign of cos pi divided by seven without using a calculator. Positive Negative

Helga and Julie are sisters. Helga is six years younger than twice Julie's age. The sum of Helga's age and Julie's age is 36. Write an equation that can be used to find Helga's age

Hong rented a truck for one day. There was a base fee of $20.99, and there was an additional charge of 83 cents for each mile driven. Hong had to pay $175.37 when he returned the truck. For how many miles did he drive the truck?

If I produce 6 items a day how many days before I reach 180 items