SOLUTION: Janet and Carl decorate cakes in a bakery. Janet can decorate a cake every 0.24 hour and Carl can decorate a cake every 0.33 hour. If they work together, at what rate are they deco
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Question 150041: Janet and Carl decorate cakes in a bakery. Janet can decorate a cake every 0.24 hour and Carl can decorate a cake every 0.33 hour. If they work together, at what rate are they decorating cakes? Round to the nearest tenth of a cake per hour. Answer by ankor@dixie-net.com(22740) (Show Source):
You can put this solution on YOUR website! Janet and Carl decorate cakes in a bakery. Janet can decorate a cake every 0.24 hour and Carl can decorate a cake every 0.33 hour. If they work together, at what rate are they decorating cakes? Round to the nearest tenth of a cake per hour.
:
Let t = how long it take for them to decorate a cake together;
Let a completed cake = 1 + = 1
:
Multiply equation by .24*.33 which is .0792
.33t + .24t = .0792
:
.57t = .0792
t =
t = .13895 hr per cake (both working)
;
That's a rate of = 7.2 cakes per hour
:
I apologize for the dumb mistake!!!
