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yaroslaw [1]
3 years ago
9

Ann can build a model car in 5 hours, while Sam can build the same model in 15 hours. How many hours would it take for them to b

uild the model together?
(set up the rational equation, and solve for x) Pls show your work
Mathematics
1 answer:
statuscvo [17]3 years ago
3 0

3 hours and 45 minutes

The equation can be solves by adding their two efforts together in a ration equation. See below.  

5/x + 15/x = 1

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