Solve the system of equations by graphing
1 answer:
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Answer:
1 hour and 7 minutes
Step-by-step explanation:
- set up two equations:
=
- cross multiply: 4.42x =294
- solve for x: 294 ÷ 4.42 = 66.52 or 67 minutes
The question is asking for hours rather than minutes so...
- 1 hour is 60 minutes
67 min - 60 min = 7 min
Therefore, it would take 1 hour and 7 minutes to fill a 294-gallon hot tub.