# SOLUTION: It takes mr Hack 15 minutes to bake some cupcakes and it takes mr babbit 20 minutes to bake the same amount of cupcakes. The cupcakes all have to be yellow cake with white icing an

Algebra ->  Algebra  -> Customizable Word Problem Solvers  -> Evaluation -> SOLUTION: It takes mr Hack 15 minutes to bake some cupcakes and it takes mr babbit 20 minutes to bake the same amount of cupcakes. The cupcakes all have to be yellow cake with white icing an      Log On

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 Click here to see ALL problems on Evaluation Word Problems Question 243257: It takes mr Hack 15 minutes to bake some cupcakes and it takes mr babbit 20 minutes to bake the same amount of cupcakes. The cupcakes all have to be yellow cake with white icing and then rainbow sprinkles on top of the icing. How long will it take them if they both work together to make some cupcakes?Answer by checkley77(12569)   (Show Source): You can put this solution on YOUR website!15*20/(15+20)=300/35=8.57 min. working together to bake a bath of cupcakes.