SOLUTION: write an inequality and solve; then use the word phrase to state your answer Each ounce of whole milk contains twice as many calories as an ounce of skim milk. A mixture of 4 oz

Algebra ->  Percentages: Solvers, Trainers, Word Problems and pie charts -> SOLUTION: write an inequality and solve; then use the word phrase to state your answer Each ounce of whole milk contains twice as many calories as an ounce of skim milk. A mixture of 4 oz      Log On


   

Question 995137: write an inequality and solve; then use the word phrase to state your answer
Each ounce of whole milk contains twice as many calories as an ounce of skim milk. A mixture of 4 oz of whole milk and 2 oz of skim milk contains at least 100 calories. What is the minimum number of calories in each ounce of whole and skim milk?
Answer by josgarithmetic(39620) About Me  (Show Source):
You can put this solution on YOUR website!
x skim
y whole
x and y are calories per ounce of each milk type.

system%28y%2Fx=2%2C4y%2B2x%3E=100%29

y=2x
-
4%282x%29%2B2x%3E=100
10x%3E=100
highlight%28x%3E=10%29------The skim milk has at least 10 calories per ounce.

x%2Fy=1%2F2
x=y%2F2
-
4y%2B2%28y%2F2%29%3E=100
4y%2By%3E=100
5y%3E=100
highlight%28y%3E=20%29