4. Shella put a new lightbulb into a light socket. The lightbulb was on for 24 hours a day and
burned out after 1 806 hours. Shoila did the work below to determine how many days the
lightbulb lasted
75
24 (1.806
-1687
126
-120
6
Shella needs to finish the calculation to find how long, in days, the lightbulb lasted. Which
statement about Sheila's calculations is true?
A. Sheila completed the calculation by subtracting 24 - 6 to get 18 and found that the
lightbulb lasted 75.18 days,
B. Sheila completed the calculation by dividing 6 • 24 to get 0.25 and found that the lightbulb
lasted 75.25 days
c. Sheila completed the calculation by dividing 24 - 6 to get 4 and found that the lightbulb
lasted 75.4 days
D. Sheila completed the calculation by adding on 0.6 of a day since the remainder is 6 and
found that the lightbulb lasted 75 6 days.