If a bus driver leaves her first stop by 7:00 a.m., her route will take less than 37 minutes. If she leaves after 7:00 a.m., she
estimates that the same route will take no less than 42 minutes. Which inequality represents the time it takes to drive the route, r?
2 answers:
Answer:
A detailed explanation is as follows:
37> r > 42
.
The information we have indicates that she will either take a time less than 37 minutes:
r<37
or she will exceed 42 minutes
r>42
, which suggests she cannot take a time in between 37 and 42 minutes.
The best way to express this is:
37>r v r>42
where "v" represents "or" in mathematical terms
.
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