Preston can paint 375 square feet in 3 hours. at the same rate, how long would it take him to paint 812.5 square feet? a.0.15 hours b.1.4 hours c.7.5 hours d.6.5 hours

It would take Preston 6.5 hours to paint 812.5 square feet. You divide 375 by 3 to get the hourly rate which is 125. Once you get 125, you divide 812.5 by 125 to get the amount of hours it takes Preston.

Step-by-step explanation:

i think the correct option is the second option.

answer: 7 x 2/5 = 2.8 hours, is your answer. your welcome! : 3

step-by-step explanation: first work out how long it took to hose 1/7 of the lawn which is 2/5 hours. times that by 7 to get the whole lawn.

sorry i don't know the other answer. i didn't learn what a proportional relationship is.