Question 1205542
<pre>
p, price of each book

              HowManyBook            Cost

Alana              4                  4p

Petra              2                  2p

Angus             16                 16p-15
</pre>

"Angus received a $15 discount, but he still spent $5 more than alana and petra combined."

{{{highlight_green(16p-15=5+4p+2p)}}}

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