Problema Solution
A store had 3 packs of paper for $3.87. How much would it cost if you were to buy 6 packs
Answer provided by our tutors
we will assume that packs of paper are the same
let x = the cost of 6 packs of paper
since the cost is directly proportional to the number of packs we have:
3.87 : 3 = x : 6
by solving we find:
x = $7.74
click here to see the step by step solution of the equation:
6 packs of paper cost $7.74.