Carlon plans to evaporate a number of gallons of water from 90 gallons of a 15% salt solution to make a 25% salt[..]

A street vendor sold 50 fewer pretzels than hot dogs,If he sold a total of 468 pretzels and hot dogs how many of[..]

The difference between two angle measures is 45. The smaller angle measures 80. What is the measure of the larger angle?

to clean a concrete driveway, a contractor needs a solution that is 30% acid. how many ounces of A 50% acid solution[..]

A man left his waiter a $10 tip that was 20% of his bill. How much was his bill?

The sum of the ages of Shane and Victoria is 87 years. 11 years ago, Shane's age was 4 times Victoria's age. How old[..]

A girl is 21 years old and her brother is a third her age. When the girl is 36, what will be the age of her brother?

a dose of medicine was suppose to be 20 grams and Tom took 9 grams. What percentage of a dose did he take?

It's the holiday season and you are working for a packing company that specializes in holiday fruit cakes. For[..]

Have 14 trumpet players, 6 drummers, 4 cymbal players. If 8 is selected what's the probability of only 3 trumpet players