<h2>
Answer: D. 0.6</h2>
Step-by-step explanation:
Hours to paint one room
<span>Jake: t hours </span>
<span>Lionel: t-2 hours </span>
<span>Wayne: (1.5)(t-2) hours </span>
<span>Now who is Donald? </span>
<span>Shall we assume that by "Donald" you meant "Wayne"? </span>
<span>If t is 6 hours, then the hours to paint one room is </span>
<span>Jake: 6 hours </span>
<span>Lionel: 4 hours </span>
<span>Wayne: 6 hours </span>
<span>This means that in one hour: </span>
<span>Jake can paint 1/6 of a room, </span>
<span>Lionel can paint 1/4 of a room, </span>
<span>Wayne can paint 1/6 of a room. </span>
<span>Added together, the three of them can paint (1/6 + 1/4 + 1/6) = 7/12 of a room in one hour.</span>
Find the diameter of a circle with circumference of 15.70
Solution: We are given:
The circumference of a circle 
We are required to find the diameter of the circle based on given circumference.
We know that:

rounded to two decimal places
Therefore, the diameter of the circle with circumference 15.70 is 5
I think it’s b not positive but I think that’s it
Answer:
669
Step-by-step explanation:
Just plug it into a calculator