Respuesta :
Answer:
7
Step-by-step explanation:
Since Mike took 6 hours and he takes 1 hour less than Homer to do complete something alone then you add 1 to 6 and get 7. Homer would’ve took 6 hours.
It would have taken Homer 8 hours and 24 minutes to fix the deck himself.
Given that Homer and Mike were replacing the boards on Mike's old deck, and Mike can do the job alone in 1 hour less time than Homer, and they worked together for 6 hours until Homer had to go home, and Mike finished the job working by himself in an additional 6 hours, to determine how long would it have taken Homer to fix the deck himself, the following calculation has to be done:
- X + X - 1 = 6
- 2X - 1 = 6
- 2X = 7
- X = 3.5
- 2.5 = 6
- 3.5 = X
- 3.5 x 6 / 2.5 = X
- 21 / 2.5 = X
- 8.4 = X
- 1 = 60
- 0.4 = X
- 0.4 x 60 = 24
Therefore, it would have taken Homer 8 hours and 24 minutes to fix the deck himself.
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