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maks197457 [2]
4 years ago
9

Bailey studies 3 days for her final exam in history. The first day she studied 1 1/2 hours on day 2 she studied 1/2 as long as s

he did on day 1 and on day 3 she studied 2 1/2 times as long as she did on day 1. How many hours did she study over the three day period?
Mathematics
2 answers:
Anit [1.1K]4 years ago
8 0
She studied 6 hours.can you pls put me as the brainliest answer!!??..
borishaifa [10]4 years ago
5 0
1st day: 1 1/2 hours
2nd day: half of first day = 1/2 * 1 1/2 hours
3rd day: 2 1/2 times as long as first day: 2 1/2 * 1 1/2 hours

1 1/2 + 1/2 * 1 1/2 + 2 1/2 * 1 1/2 =

= 3/2 + 1/2 * 3/2 + 5/2 * 3/2

= 3/2 + 3/4 + 15/4

= 6/4 + 3/4 + 15/4

= 24/4

= 6

Answer: She studied for 6 hours over the 3-day period.
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