Question

23. Dorothy and Rosanne are baking cookies for a party. Working alone, Rosanne can finish the cookies in
6 hours. Dorothy can finish them in 8 hours if she is working alone. How long will it take them to bake the
cookies if they are working together? Round your answer to the nearest hundredth if necessary.
7.00 hours
3.43 hours
0.29 hours
14.00 hours
@triciaal

Answer 1

i think 7

Answer 2

Hmm, I don't think it's 7

Answer 3

Are you there @ashleychase1 ?

Answer 4

@JGhost what should it be?

Answer 5

@ashleychase1 correction 3.43