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Mr. Endo shops for groceries from 9:41 a.m. to 10:08 a.m. It takes him 17 minutes to put his groceries away when he gets home. How many minutes does it take Mr. Endo to shop for and put away his groceries?

Mr. Endo shops for groceries from $9$ : $41$ a.m. to $10$ : $08$ a.m. It takes him $17$ minutes to put his groceries away when he gets home. How many minutes does it take Mr. Endo to shop for and put away his groceries?

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Evaluate two-variable equations: word problems

Full solution

Q. Mr. Endo shops for groceries from

9

:

41

a.m. to

10

:

08

a.m. It takes him

17

minutes to put his groceries away when he gets home. How many minutes does it take Mr. Endo to shop for and put away his groceries?

Calculate total shopping time: First, we need to calculate the total time Mr. Endo spent shopping. We do this by finding the difference between the time he started shopping and the time he finished. $\newline$ Start time: $9:41$ a.m. $\newline$ End time: $10:08$ a.m. $\newline$ To find the difference, we convert the times to minutes past the hour and then subtract the start time from the end time. $\newline$ $9:41$ a.m. is $41$ minutes past $9:00$ a.m. $\newline$ $10:08$ a.m. is $8$ minutes past $10:00$ a.m., which is $60 + 8 = 68$ minutes past $9:00$ a.m. $\newline$ Now we subtract the start time from the end time: $10:08$ $0$ minutes $10:08$ $1$ $41$ minutes $10:08$ $3$ minutes.
Add time for groceries: Next, we add the time it takes Mr. Endo to put away his groceries to the time he spent shopping. $\newline$ Time spent shopping: $27$ minutes $\newline$ Time to put groceries away: $17$ minutes $\newline$ We add these two times together: $27$ minutes $+$ $17$ minutes $=$ $44$ minutes.

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