Problema Solution
The cost of 3 quarts of milk is $6.75. How much will 7 quarts cost?
Answer provided by our tutors
let 'x' represent the cost of 7 quarts of milk
since the cost is directly proportional to the amount we have:
3 : 6.75 = 7 : x
by solving we find:
x = $15.75
click here to see the step by step solution of the equation:
the cost of 7 quarts of milk is $15.75.