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blagie [28]
3 years ago
12

A website has a daily trivia contest. On mondays, wednesday, fridays, you have 1 ½ hours to submit an answer. On tuesdays and th

ursdays you have 1 ¼ hours. On saturdays and sundays you have only ¾ of an hour. How many hours each week do you have to submit an answer?
Mathematics
1 answer:
Alex73 [517]3 years ago
7 0

Answer:

8 1/2 hrs/wk

Step-by-step explanation:

3(1 1/2 hrs) plus

2(1 1/4 hrs) plus

2(3/4 hr)

The LCD here is 4.  Convert 3(1 1/2 hrs) to 3(1 2/4 hrs), so that we now have:

3(1 2/4 hrs)  = 3 6/4 hrs

+2(1 1/4 hrs)  =  2 2/4 hrs

+2(3/4 hrs)   =       6/4 hrs

-------------------------------------

                          5 14/4 hrs, or

                          5 + 3 2/4 hrs, or

                              8 1/2 hours/week

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