1988 AMC 8 第 22 题
先试着解答 1988 AMC 8 第 22 题，然后核对你的答案与精心整理的解答，解答来自 LIVE by Po-Shen Loh。你也可以参加完整限时模拟考试、查看全部 1988 AMC 8 解答，或核对答案。
所有题目均经美国数学协会（MAA）官方合法授权使用。
22.
汤姆的帽子店把所有原价都提高了 。现在商店促销，所有商品在提高后的价格基础上再降低 。下面哪句话最能描述一件商品的促销价？
Tom’s Hat Shoppe increased all original prices by Now the shoppe is having a sale where all prices are off these increased prices. Which statement best describes the sale price of an item?
促销价比原价高
The sale price is higher than the original price.
促销价高于原价，但高出不到 。
The sale price is higher than the original price, but by less
than
促销价高于原价，但高出超过 。
The sale price is higher than the original price, but by more
than
促销价低于原价。
The sale price is lower than the original price.
促销价与原价相同。
The sale price is the same as the original
price.
答案：E
小提示：
提价 会把价格乘以 ；再打 折扣会乘以 。
Increasing by multiplies the price by taking off multiplies by
大提示：
把这两个因数相乘，并与 比较
Multiply the two factors together and compare the result to
解答：
提价 会把价格乘以 ，然后打 折扣会乘以 。
总体因数是 ，所以促销价等于原价。
所以正确答案是 E。
Increasing by multiplies the price by and then taking off multiplies by
The overall factor is so the sale price equals the original price.
Thus, the correct answer is E .
其他年份的第 22 题
- 1985 AMC 8
- 1986 AMC 8
- 1987 AMC 8
- 1989 AMC 8
- 1990 AMC 8
- 1991 AMC 8
- 1992 AMC 8
- 1993 AMC 8
- 1994 AMC 8
- 1995 AMC 8
- 1996 AMC 8
- 1997 AMC 8
- 1998 AMC 8
- 1999 AMC 8
- 2000 AMC 8
- 2001 AMC 8
- 2002 AMC 8
- 2003 AMC 8
- 2004 AMC 8
- 2005 AMC 8
- 2006 AMC 8
- 2007 AMC 8
- 2008 AMC 8
- 2009 AMC 8
- 2010 AMC 8
- 2011 AMC 8
- 2012 AMC 8
- 2013 AMC 8
- 2014 AMC 8
- 2015 AMC 8
- 2016 AMC 8
- 2017 AMC 8
- 2018 AMC 8
- 2019 AMC 8
- 2020 AMC 8
- 2022 AMC 8
- 2023 AMC 8
- 2024 AMC 8
- 2025 AMC 8
- 2026 AMC 8