4. how many total hours does a grocery clerk work if he
works 3 hr 30 min in the morning and 2 hr 15 min in
the afternoon five days a week?
a 26 hr 15 min
b 28 hr 45 min
c 29 hr 30 min
d 30 hr

B. 28 hr 45 min

Step-by-step explanation:

To find the answer we can do the following:

3 + 2 = 5 (number of hrs per day)

5 * 5 = 25 (number of hrs for 5 days without the minutes added on)

30 + 15 = 45 (number of minutes per day separate from hrs)

45 * 5 = 225 (number of minutes separate from hrs for 5 days)

225 minutes = 3 hours and 45 minutes (can be found by dividing 60 from 225)

25 hrs + 3 hrs 45 min = 28 hr 45 min

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