Kerri, Ethan, and Jack assembled a very large puzzle together in 40 hours. If Ethan worked twice as fast as Jack and Kerri worked as fast as Ethan, then how long would it have taken Jack to assemble the puzzle alone?
I came up with an answer of 60. Is that correct?
Thanks for all your help,
SOP
I came up with an answer of 60. Is that correct?
Thanks for all your help,
SOP