You want to limit the amount of television you watch to an average of at most 1.5 hours per week during an 8-week period. how ma
1 answer:
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Answer:
17
Step-by-step explanation:
The expression of interest is the difference of the two given expressions.
(-4x +6y) -(-2x -7y) = (9) -(-8)
-2x +13y = 17
The value is 17.
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<em>Additional comment</em>
You could go to the trouble to solve the two equations for x and y, then compute the value of the expression you want. As we saw above, that is not necessary.
The first step in problem solving is always "look at the given information and how it relates to what you are asked." A little time spent doing that can save a lot of effort in the actual problem solving process.
Answer:
cups
Step-by-step explanation:
Normally, when working with mixed numbers, I would prefer to turn them into improper fractions first before evaluating.
1 cookies ---
cup plain yogurt
cookies ---
cup plain yogurt
2 cookies --- ? cup plain yogurt
cookies ---
×
cup plain yogurt =
cups plain yogurt