Percent Mixture Problems

Note: See lower down the page for percent mixture using 2 variables.

Percent Mixture Word Problems solved using one variable

Percent Mixture Problem #1 Explains using picture how to solve this percent mixture problem using one variable: How many pounds of dogfood that is 50% rice must be mixed with 400 pounds of dogfood that is 80% rice to make a dogfood that is 75% rice?

Percent Mixture Problem #2 Explains using picture how to solve this percent mixture problem using one variable: Ten quarts of pure apple juice are added to 90 quarts of a fruit juice that 10% pure apple juice. What is the percent concentration of pure apple juice in the resulting mixture?

Percent Mixture Problem #3 Explains using picture how to solve this percent mixture problem using one variable: Five pounds of candy that is 20% chocolate is combined with a candy that is 40% chocolate. How many pounds of the candy that is 40% chocolate should be used to get a candy that is 25% chocolate?

Percent Mixture Problem #4 Explains using picture how to solve this percent mixture problem using one variable: How much water should be added to 30 cups of juice that is 70% juice to get a diluted mixture that is only 60% juice?

Percent Mixture #5 - 1 variable (percentmix5-1var.mp4) Mary has some 1% fat milk and 4% fat milk and wants to make 15 cups of 2% fat milk by mixing them together. How many cups of each type should she use? 

Percent Mixture #6 - 1 variable (percentmix6-1var.mp4) A chemist has a 21% salt solution and a 15% salt solution. How many quarts of each should be used to produce 60 quarts of a 19% salt solution?

The previous two problems are solved using two variables in the next group.

Percent Mixture Word Problems solved using two variables

Percent Mixture #5 - 2 variables Mary has some 1% fat milk and 4% fat milk and wants to make 15 cups of 2% fat milk by mixing them together. How many cups of each type should she use?

Percent Mixture #6 - 2 variables A chemist has a 21% salt solution and a 15% salt solution. How many quarts of each should be used to produce 60 quarts of a 19% salt solution?