1998 AJHSME Problems/Problem 9
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Problem 9
For a sale, a store owner reduces the price of a <dollar/>10 scarf by 
. Later the price is lowered again, this time by one-half the reduced price. The price is now
Solution 1
10\times0.8$$ (Error compiling LaTeX. Unknown error_msg)10\times0.8=8$$ (Error compiling LaTeX. Unknown error_msg)\frac{8}{2}=4=\boxed{C}$==Solution 2==
The first discount has percentage 20, which is then discounted again for half of the already discounted price.$ (Error compiling LaTeX. Unknown error_msg)100-20=80$$ (Error compiling LaTeX. Unknown error_msg)\frac{80}{2}=40$$ (Error compiling LaTeX. Unknown error_msg)40\%\times10=10\times0.4=4=\boxed{C}$
See also
| 1998 AJHSME (Problems • Answer Key • Resources) | ||
| Preceded by 1997 AJHSME |
Followed by 1999 AMC 8 | |
| 1 • 2 • 3 • 4 • 5 • 6 • 7 • 8 • 9 • 10 • 11 • 12 • 13 • 14 • 15 • 16 • 17 • 18 • 19 • 20 • 21 • 22 • 23 • 24 • 25 | ||
| All AJHSME/AMC 8 Problems and Solutions | ||
