Question 1112297
<pre>
ITEMS       QUANT            PRICE            COST

BOOKS                         $12 ea.

MAGAZINES                                        $16

TOTAL           12                             $112
</pre>

Find the cost for the books by difference and use this to find the quantity of the books.


{{{112-16=96}}}
$96 for the books.


b, number of books,
{{{12b=96}}}

{{{b=96/12}}}


{{{b=8}}}
Eight books bought.


How many magazines?

{{{12-8=4}}}
Four magazines were bought.