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#13908

counting

arithmetic

medium

116 sec

A factory uses two machines to produce widgets. Machine X takes 18 seconds to produce one widget. Machine Y takes 25 seconds to produce one widget. How many more seconds does it take Machine Y to produce 50 widgets than it takes Machine X to produce 50 widgets?

• Up to 5 characters (6 if negative). Only numbers, decimal (.), fraction (/), negative (-).
• Fractions must be in lowest terms.
• Mixed numbers must be converted to improper fractions.