SOLUTION: The time, T days, needed to paint some buildings is directly proportional to the number of buildings,B, that need to be painted and inversely proportional to the number of painters
Algebra ->
Proportions
-> SOLUTION: The time, T days, needed to paint some buildings is directly proportional to the number of buildings,B, that need to be painted and inversely proportional to the number of painters
Log On
Question 1079227: The time, T days, needed to paint some buildings is directly proportional to the number of buildings,B, that need to be painted and inversely proportional to the number of painters employed, P. 18 painters can paint 3 buildings in 20 days.
(i) Find an equation connecting T, B and P.
(ii) Find the number of days needed by 16 painters to paint 4 buildings.
(iii) If 10 buildings are to be painted in 24 days, how many painters need to be employed? Answer by josgarithmetic(39617) (Show Source):
(