A wall is 500 sq. feet. A gallon of paint covers 160 sq. feet. What is an appropriate conversion factor to help determine how many gallons will be needed to paint the wall?

1 ft² requires   gallon of paint.(conversion factor)

Explanation:

The wall is 500 ft²

1 gallon is require to paint 160 ft²

160ft² will require 1 gallon of paint.

1 ft² requires   gallon of paint.

hence 500ft² will require 500/160 gallons of paint

  =3.125 gallons of paint.

explanation:

wheres the pic

t = 1/400 h   ⇔ 0.0025 h ⇔ 9s ⇔ 0.15 m

any of the answers are correct.