Problema Solution
a five gallon bucket of polyurethane can seal 3200 square feet of floor space. if you need to cover 9000 square feet, how many buckets of polyurethane must be purchased in order to cover it
Answer provided by our tutors
let
x = the number of buckets of polyurethane purchased to cover 9000 square feet
1 : 3200 = x : 9000
by solving we find
x = 2.8
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since the number of buckets needs to be integer follows we will need 3 buckets of polyurethane.