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3 votes
To use an air pump at a car cleaning station, you have to pay $1.50 for the first 5 minutes. Each subsequent minute is priced at 10 cents per minute. Denise does not want to spend more than $3 using the pump. What constraint inequality represents this situation, where x is the total number of minutes spent using the pump?

1) 1.5 + 0.1(x − 5) < 3
2) 1.5 + 0.1(x − 5) ≤ 3
3) 1.5 + 3 + 0.1x > 5
4) 1.5 + 3 + 0.1x ≥ 5

2 Answers

4 votes
Denise doesn't want to spend more than $3 dollars, which means that she is willing to spend $3, but nothing more. This means that the inequality must be less than or equal to 3.

The only answer choice that has this statement is 2) 1.5 + 0.1(x − 5) ≤ 3.
User DIGI Byte
by
8.2k points
4 votes
its the second choice
User Megastep
by
8.9k points
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