Hi Guest,
Since a dictionary costs $12 before the discount, and we're trying to calculate the discount in dollar amounts...
We multiply the original price of the dictionary to the thirty percent that we're getting off.
Therefore, \($12 \cdot \frac{30}{100}\) will result in our answer.
Simplifying, our result is
= \(\frac{$12*30}{100}\)
= \(\frac{$360}{100}\)
= \($3.6\)
\(\therefore\) The dollar amount of the discount we recieve is $3.6.
I hope this helped! Let me know if you have any questions :)