2014 AMC10B 真题

2014 AMC 10B

Problem 1

Leah has coins, all of which are pennies and nickels. If she had one more nickel than she has now, then she would have the same number of pennies and nickels. In cents, how much are Leah's coins worth?

Leah 有 13 枚硬币，它们都是 1 分或者 5 分硬币，假设她比现在再多一枚 5 分硬币，那么她 拥有的 5 分和 1 分硬币的数目就一样多了，问她现在所拥有的所有硬币总共价值多少？

Problem 2

Problem 3

Peter drove the first third of his trip on a gravel road, the next miles on pavement, and the remaining one-fifth on a dirt road. In miles how long was Peter's trip?

Peter 在石子路上行驶了他总路程的前三分之一，接下来的 20 英里走的是石板路，最后剩下 的总路程的五分之一走的是泥路。问 Peter 的总路程是多少英里？