SOLUTION: If joy can paint a box alone in 6 hours and Gina can paint it in 4 hours. How many hours would it take both to paint the box together?

Question 929943: If joy can paint a box alone in 6 hours and Gina can paint it in 4 hours. How many hours would it take both to paint the box together?
Answer by TimothyLamb(4379) (Show Source): You can put this solution on YOUR website!
r = w/t
rates are additive:
1/6 + 1/4 = 0.41666666666
---
t = w/r
1/0.41666666666 = 2.4 hours
---
Solve and graph linear equations:
https://sooeet.com/math/linear-equation-solver.php
---
Solve quadratic equations, quadratic formula:
https://sooeet.com/math/quadratic-formula-solver.php
---
Convert fractions, decimals, and percents:
https://sooeet.com/math/fraction-decimal-percent.php
---
Calculate and graph the linear regression of any data set:
https://sooeet.com/math/linear-regression.php
RELATED QUESTIONS
If bill can paint a house in 4 hours and joe can paint a house in 6 hours, how long would (answered by unlockmath,eric.schuh)

sally can paint a house in 4 hours john can paint the same house in 6 hours how long... (answered by MathLover1)

Brett can paint a room in exactly 6 hours. If Dave helps him, they can paint it in... (answered by scott8148,richwmiller)

If John can paint a house in 6 hours. Mary can paint one in 4 hours and Sue can paint... (answered by ankor@dixie-net.com)

Joe can paint a room in 6 hours less time than Jay. If they can paint the room in 4... (answered by josgarithmetic,ikleyn)

If Sally can paint a house in 4 hours, and Tom can paint it in 6 hours, How long will it... (answered by Earlsdon)

Jon can paint a house in 4 hours. Jan can paint it in 6. How long would it take both to... (answered by robertb)

John can paint a room in 10 hours by himself. If kelly helps, they can paint the same... (answered by TimothyLamb)

If Sally can paint a house in a 4 hours, and John can paint the same house in 6 hours,... (answered by richwmiller,Alan3354,Edwin McCravy)