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ianmorales4894
31.01.2021 •
Mathematics
Suppose aisha only reads from 10:15 a.M to 2:10 p.M and from 7:20 p.M to 9.00 p.M each day starting on monday on what day and at what time will she finish reading her book?
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Ответ:
Complete Question
Aisha is spending a week at her family’s cottage and wants to read her favourite book, which is 400 pages long.
a) If she reads one page every 36 seconds, how many hours will it take her to read her book?
b) Suppose Aisha only reads from 10:15 a.m. to 2:10 p.m., and from 7:20 p.m. to 9:00p.m. each day, starting on Monday. On what day and at what time will she finish reading her book?
a) 4 hours
b) Monday, 7:25 pm
Step-by-step explanation:
a) From the above question, we are told that,
She read 1 page in 36 seconds
Total number of pages in the books = 400
Hence:
1 page = 36 seconds
400 pages = x
Cross Multiply
x = 400 × 36 seconds
x = 14,400 seconds
Converting this to hours
60 seconds = 1 minute
60 minutes = 1 hour
Hence: 60 × 60 = 3600 seconds = 2 hour.
3600 seconds = 1 hour
14400 seconds = x
x = 14400/3600
x = 4 hours
Hence, it takes Aisha 4 hours to finish reading the 400 paged book
b) The number of hours between 10:15 a.m. and 2:10 p.m. is
calculated as:
2:10 pm - 10.15 am
Converting 2:10 pm to a 24 hour clock for easy calculation =
2:10 pm = 14:10 hours
Hence:
14:10 - 10:15
= 3 hours 55 minutes
Remember, from Question a, it takes Aisha 4 hours to finish reading her book and
If 10:15 a.m. to 2:10 p.m = 3 hours 55 minutes, Aisha needs 5 extra minutes to finish her book.
Therefore, she will finish reading her book at 7:25 p.m. on Monday.
Ответ:
what did you will right i did not understand
Step-by-step explanation: