Problema Solution
You purchase 8 gallons of paints and 3 paint brushes for $152.50. The next day you
Purchase 6 gallons of paint and 2 paint brushes for $113.00. How much does each gallon of paint and each brush cost?
Answer provided by our tutors
let
p = the cost of gallon of paint
b = the cost of a brush
You purchase 8 gallons of paints and 3 paint brushes for $152.50
8p + 3b = 152.50
The next day you purchase 6 gallons of paint and 2 paint brushes for $113.00
6p + 2b = 113.00
by solving the system of equations
8p + 3b = 152.50
6p + 2b = 113.00
we find
p = $17
b = $5.5
click here to see the step by step solution of the system of equations
a gallon of paint is $17.
each brush costs $5.5.