I think the correct answer iS D
The carpenter makes 1/4 of the job per hour.
The assistant makes 1/6 of the job per hour.
When they work together, they make 1/4 + 1/6 = 6/24 + 4/24 = 10/24 = 5/12 of the job each hour.
Thus, it will take 12/5 = 2 2/5 hours = 2 hours and 24 minuets for them to finish the job working together.
Answer:
100
Step-by-step explanation:
Well, you would have to divide to get the answer. What you do to one side you do to the other. So, you would divide 0.85 by 0.85. and then you would divide 200 by 0.85. Then the answer would be estimated to 235.294.
Answer:
Step-by-step explanation:
The formula mentioned in third option is correct.