SOLUTION: Write a proportion for each phrase. Then solve, When nescessary, round to the nearest hundredth. Question: 420 ft2 painted in 36 min; f ft2 painted in 30 min

Algebra ->  Algebra  -> Proportions  -> Lessons  -> Proportions -> SOLUTION: Write a proportion for each phrase. Then solve, When nescessary, round to the nearest hundredth. Question: 420 ft2 painted in 36 min; f ft2 painted in 30 min      Log On

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Question 25565: Write a proportion for each phrase. Then solve, When nescessary, round to the nearest hundredth.
Question:
420 ft2 painted in 36 min; f ft2 painted in 30 min
Answer by stanbon(48568) About Me  (Show Source):
You can put this solution on YOUR website!
420/36 = f/30
f=(30)(420/36)
f=350 sq.ft.
Cheers,
Stan H.