Problema Solution
Jane can paint a 12-foot by 12-foot wall in 3/4 of an hour. How long will it take her to paint another wall that is 15 x 16 feet?
Answer provided by our tutors
let t = hr that Jane needs to paint 15 x 16 wall
(12*12) : (3/4) = (15*16) : t
by solving we find
t = 1.25 hr
click here to see the step by step solution of the equation
t = 1 hr 15 min
Jane needs 1 hr 15 min to paint the 15 x 16 ft wall.