I buy 5 notebooks and 3 albums spending $13.24, then I buy another 3 books and 6 albums spending $17.73. How much does each book and album cost?
Set the books and albums to variables to get two equations such that;
There's not much that we can do with those in their current state, so let's re-write one of them.
Hey look! We just found the price of an album with respect to the price of a notebook! Now that we can work with! Plugging the price,
we can reduce the fraction
Now solve for
With the exact price of a notebook found, finding the price of an album is as simple as plugging
a = $1.26