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单选题
A shoe store charges $39 for a pair of a certain type of sneaker. This price is 30% more than the amount it costs the shoe store to buy one pair of these sneakers. A sales associate can purchase a pair of these sneakers at 20% off the store’s cost. How much would an associate pay for a pair of these sneakers (excluding sales tax)?
A
$31.20
B
$25.00
C
$24.00
D
$21.84
E
$19.50
参考答案
参考解析
解析：
分析题目中已知的数量关系可知，商店购买这种运动鞋的花费是$39∕（1+30%）=$30，那么合伙人购买这种运动鞋的花费是$30（1-20%）=$24。
分析题目中已知的数量关系可知，商店购买这种运动鞋的花费是$39∕（1+30%）=$30，那么合伙人购买这种运动鞋的花费是$30（1-20%）=$24。
更多 “单选题A shoe store charges $39 for a pair of a certain type of sneaker. This price is 30% more than the amount it costs the shoe store to buy one pair of these sneakers. A sales associate can purchase a pair of these sneakers at 20% off the store’s cost. How much would an associate pay for a pair of these sneakers (excluding sales tax)?A $31.20B $25.00C $24.00D $21.84E $19.50” 相关考题
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