Solve the problem.A baker can decorate the day's cookie supply four times as fast as his new assistant. If they decorate all the cookies working together in 24 minutes, how long would it take for each of them to decorate the cookies working individually?
A. baker: 7
min
assistant: 29 min
B. baker: 120 min
assistant: 30 min
C. baker: 30 min
assistant: 120 min
D. baker: 120 min
assistant: 480 min
Answer: C
Mathematics
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