Question

Bea can paint a house three times faster than alice can paint a house. If, working together,it takes alice and bea 24 hours to paint a house, then how many hours would it take bea topaint a house alone?2. If 6 workers can build 4 cars in 2 days, then how many days would it take 8 workers tobuild 6 cars?(a)(b)(c)(d)(e) 539483114103

Answer 1

bea +Alice =24 hours
let bea do 3 works in one hour and Alice do 1 work in one hour
both do 4 work in one hour Alice do 24 work in 24 hours when bea work alone than he do 24 work extra 24÷3=8 hours take extra
24+8=32 hours is answer