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1985 AJHSME Problem 14

Revision as of 16:00, 4 July 2023 by Leonidastheconquerer (talk | contribs) (→‎Solution)
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Problem

The difference between a $6.5\%$ sales tax and a $6\%$ sales tax on an item priced at $$20$ before tax is

$\text{(A)}$ $$.01$

$\text{(B)}$ $$.10$

$\text{(C)}$ $$ .50$

$\text{(D)}$ $$ 1$

$\text{(E)}$ $$10$

In-depth Solution by BoundlessBrain!

https://youtu.be/8-MzF5iC1OI

Solution

We are looking for $0.5\%$ of $$20,$ which is $20 \cdot \frac{0.5}{100} = \boxed{\text{(B)} \quad $0.10.}$

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