Problema Solution
you purchase 8 gal of paint and 3 brushes for 152.50 dollars.the next day you purchas e 6 gal of paint and two brushes for 113 dollars.how much does each gallon of paint and each brush cost?
Answer provided by our tutors
let
b = the cost of one brush
g = the cost of one gallon of paint
you purchase 8 gal of paint and 3 brushes for 152.50 dollars:
8g + 3b = 152.50
the next day you purchas e 6 gal of paint and two brushes for 113 dollars:
6g + 2b = 113
by solving the system of equations:
8g + 3b = 152.50
6g + 2b = 113
we find:
g = $17
b = $5.5
click here to see the step by step solution of the system of equations:
the cost of one gallon of paint is $17.
the cost of one brush is $5.5.