Peter figures he can build the entire tree house by himself in 20 hours. He figures that each additional friend who helps him wo

Question

3 years ago

14

Peter figures he can build the entire tree house by himself in 20 hours. He figures that each additional friend who helps him wo

uld improve the time by 10%. He created a table using the algebraic expression n – n(0.10), where n is the previous number of hours.
To the nearest tenth of an hour, how long will it take to build the tree house if 4 friends are helping?
It will take
hours.

Mathematics

2 answers:

aleksandr82 [10.1K] · Answer 1 · 2022-08-14T02:38:08+03:00

aleksandr82 [10.1K]3 years ago

7 0

13.1 hours. I did the assignment

andrey2020 [161] · Answer 2 · 2022-08-14T04:28:07+03:00

andrey2020 [161]3 years ago

3 0

Answer:

the answer is 13.1 i just did the assignment and got it right.

Step-by-step explanation: