Answer:
12 hours
Step-by-step explanation:
Let Theo's siste can paint a fence in x times
Given.
Theo can paint a fence three times as fast as his sister can. Working together, they can paint a fence in 9 hours.

Apply cross multiplication

Theo’s sister to paint the fence in 12 hours.
Answer:
The correct answer would be E I believe
Step-by-step explanation:
Answer:
14 % you just gotta count the green boxes and make it a percentage
Answer:
0
Step-by-step explanation: