Ricardo has 2020 coins,some of which are pennies(1-cent coins) and the rest of which are nickels(5-cent coins).He has at least one penny and at least one nickel.What is the difference in cents between the greatest possible and least possible amounts of money that Ricardo can have?( )
Ricardo有2020枚硬幣,其中一部分是便士(1分硬幣),其余的是五分幣(5分硬幣)。他至少有一枚便士和一枚五分幣。Ricardo可能擁有的最大金額和最小金額之間相差多少分?( ?。?/div>
【答案】C
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