Mya works on Saturdays and then attends a study group. She needs to be home before her younger brother. She walks from work to the study group in 5 minutes. She studies for 40 minutes. She takes 5 minutes to walk to the bus stop. The bus ride is 30 minutes long. It takes her 10 minutes to walk home from where the bus drops her off. If Mya is to be home by 5p.m., what time should she leave work?

5 + 40 + 5 + 30 + 10 = 90 minutes.

Subtract 90 minutes (1 1/2 hours) from 5 p.m.

Thank you. That helps. I could get the answer but I didn't know how to show the work.

a decimal form of 17

25

52.5

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To find out what time Mya should leave work, let's calculate the total time it takes for her to commute from work to the study group, study, and then commute back home.

First, add up the time it takes for her to walk from work to the study group, study, walk to the bus stop, and walk back home:
5 minutes (work to study group) + 40 minutes (study) + 5 minutes (study group to bus stop) + 30 minutes (bus ride) + 10 minutes (bus drop-off to home) = 90 minutes.

Next, determine the time it takes for Mya to get home from the time she leaves work:
Since she needs to be home by 5 p.m., subtract 90 minutes (total commute time) from 5 p.m.:
5 p.m. - 1 hour and 30 minutes = 3:30 p.m.

Therefore, Mya should leave work by 3:30 p.m. to ensure she gets home before her younger brother.