It took 5.5 hours to drive 154 miles. What was the average rate of speed?
1 answer:
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Answer:
See explanation
Step-by-step explanation:
Each ounce of fruit will supply
- 1 unit of protein,
- 2 units of carbohydrates,
- 1 unit of fat.
Each ounce of nuts will supply
- 1 unit of protein,
- 1 unit of carbohydrates,
- 1 unit of fat.
Let x equal the ounces of fruit and y equal the ounces of nuts to be used in each package.
Then x ounces of fruit will supply
- x units of protein,
- 2x units of carbohydrates,
- x units of fat
and y ounces of nuts will supply
- y units of protein,
- y units of carbohydrates,
- y units of fat.
Every package must provide
- at least 7 units of protein, then x+y≥7,
- at least 11 units of carbohydrates, then 2x+y≥11,
- and no more than 10 units of fat, then x+y≤10.
A. You get the system of three inequalities
B. See attached diagram
