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Using only pennies,nickels,dimes,and quarters,what is the sm

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Using only pennies,nickels,dimes,and quarters,what is the smallest number of coins Freddie would need so he could pay any amount of money less than a dollar?
A、6 B、10 C、15 D、25 E、99
Using only pennies,nickels,dimes,and quarters,what is the sm
pennies是1美分,nickels是5美分,dimes是10美分,quarters是25美分
只使用便士,5美分、10美分,25美分,什么是数字最小的硬币弗雷迪需要,这样他就能支付任何数额的钱不到一美元?
3个25美分,2个10美分,5个1美分,加起来就是10个
选B