SOLUTION: Javier and Bobby are rolling the pennies in their penny jar. Javier can make 4 rolls in 10 minutes and Bobby can make 9 rolls in 15 minutes.
(a) Working together, how long will it
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-> SOLUTION: Javier and Bobby are rolling the pennies in their penny jar. Javier can make 4 rolls in 10 minutes and Bobby can make 9 rolls in 15 minutes.
(a) Working together, how long will it
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Question 1084590: Javier and Bobby are rolling the pennies in their penny jar. Javier can make 4 rolls in 10 minutes and Bobby can make 9 rolls in 15 minutes.
(a) Working together, how long will it take them to roll $50 worth of pennies? (Penny rolls have 50¢ per roll.)
76 problem solving in mathematics
(b) If it takes them 31 hours to roll all of the pennies, how much 2
money do they have? Answer by josgarithmetic(39620) (Show Source):
(