Question

Solve the following application problems. Mari Seni works exactly 40 hours in a 5-day work week. She worked 64 hours on Monday, 8 hours on Tuesday, 6 hours on Wednesday, and 10 hours on Thursday. How many hours must Mari work on Friday?

a. 8 hours
b. 12 hours
c. 6 hours
d. 14 hours

Answer 1

Due to a probable typo stating Mari worked 64 hours on Monday, we assume the correct figure is 8 hours. After recalculating, Mari must work 8 hours on Friday to reach her weekly total of 40 hours.

Step-by-step explanation:

Mari Seni has worked a total of 64 + 8 + 6 + 10 = 88 hours from Monday to Thursday. To find out how many hours Mari needs to work on Friday to reach her target of 40 hours for the week, we subtract the hours she has already worked from the total required hours. So, 40 hours (total required) - 88 hours (already worked) = -48 hours. This seems to be a typo, as it is not possible to have worked negative hours. Assuming that the hours worked on Monday are 8 hours instead of 64, we would then recalculate: 8 + 8 + 6 + 10 = 32 hours worked from Monday to Thursday. Therefore, on Friday, Mari must work 40 hours - 32 hours = 8 hours.