It takes Natalie five hours to tar a roof. Imani can tar the same roof in ten hours. How long would it take them if they worked together? Round your answer to the nearest hundredth. A. 3.51 hours B. 2.77 hours C. 3.33 hours D.4.3 hours
1 answer:
Answer:
C. 3.33 hours
Step-by-step explanation:
Use the algebra work equation:
= + , where tb is the time to work together, t1 is the time it takes one person, and t2 is the time it takes the other person
Plug in the values we know:
= +
= +
=
20 = 6tb
3.33 = tb
So, it would take them 3.33 hours when working together.
You might be interested in
Answer:
8/13
Step-by-step explanation:
has the slightly lower numbers meaning 11/13 would be milk chocolate with peanuts, and 8/13 would be the dark chocolate
Answer:
2/5cm or 0.4cm
Step-by-step explanation:
Area of square =
Thus, Side =
=
= 2/5 cm = 0.4cm
your answer would be 6 ways for 1st place 5 ways for 2nd place 4 ways for 3rd place 3 ways for fourth place and in total there are 360 ways in total. (6*5*4*3=360)
Answer:
Step-by-step explanation:
50
Using the cube formula for volume I got V=3.38cm^3