Problema Solution
bill purchased 4 pens for $3.32, including $.16 sales tax. find the cost of 1 pen.
Answer provided by our tutors
let 'x' represent the cost of 1 pen
4x + 0.16 = 3.32
by solving we find:
x = $0.79
click here to see the step by step solution of the equation:
the cost of 1 pen is $0.79.