215k views
1 vote
jeff can paint 28aquare feet every 15 minutes. Angela can paint 115 aquare feet every hours. Who can paint faster, and by how many square feet per hour?

User Union Find
by
7.9k points

1 Answer

2 votes

Answer:

Angela, by 3 ft² per hour

Explanation:

Jeff can paint 4 times the area in 4 times the time, so

... (4×28 ft²)/(4×15 min) = 112 ft²/(60 min) = 112 ft²/h

Since 115 ft²/h is more than 112 ft²/h (by 3 ft²/h), Angela is the faster painter.

User Comprehensive
by
7.9k points