all together. How many of my coins are nickels( ). A. 2B. 4C. 6D. 8相关知识点: 试题来源: 解析 B 12 coins, all nickels and dimes, are worth ＄1.00. Try 9 dimes and 3 nickels: too many dimes. Try 8 dimes and 4 nickels: it works. 我的12个硬币,都是5分和10分,总共价值＄1....
我有一些一角硬币和五分硬币,这些硬币合起来值3元.如果我把每一个5分换成2角5分,我将得到5元.我有多少一角钱? 2角5分-5分=2角,每换一次,就会多2角. 而5元-3元=2元=20角,共计多了20角. 故5分硬币数量:(枚), 5分总价值:(分)=5角, 1角总价值:3元-5角=2元5角=25角, 故,1角硬币共...
1How many different combinations of pennies,nickels,dimes,quarters,and dollars can a piggy bank contain if it has 20 coins in it? 2 请教一道离散数学问题How many different combinations of pennies, nickels, dimes, quarters,and dollars can a piggy bank contain if it has 20 coins in it? 反馈...
If the total value of an equal number of pennies, nickels, and dimes is ＄2.40, how many coins are there altogether( ). A. 60B. 45C. 30D. 15相关知识点: 试题来源: 解析 B 1 penny +1 nickel +1 dime =16￠. Since 15 of these 16￠groups are worth ＄2.40 , there are 15 of th...
If you have 75 cents and you have 27 nickels and dimes, how many nickels do you have? Suppose you have quarters, dimes, and pennies with a total value of $1.19. How many of each coin can you have without being able to make change for a dollar?
Given a dollar, how many ways are there to make change using pennies, nickels, dimes, and quarters? What if you are given a different amount of money? What if you use different coin denominations? This is a well known problem and formulas are known. We present simpler proofs in several ...
Do you know how pennies, nickels, dimes, and quarters are smaller denominations of the dollar? Not to be outdone, Bitcoin has its own small denomination. But in this case, the small denomination is, well,really small. What we might calllittle Bitcoinsare what are known asSatoshis, named ...
She has twice as many pennies as dimes and five more nickels than dimes. How many nickels does Notta have 翻译结果2复制译文编辑译文朗读译文返回顶部 Notte Looney has 45 coins with a total value of $1.95. The coins are nickels, dimes and pennies. She has twice as many pennies as dimes ...
How many problems must be answered correctly on a math test with 60 problems to get a score of 85%? Rebica has 21 math problems to solve. She has solved 2/7 of them. How many problems has she solved? A wallet contains the same number o...
John has $1.35 in nickels and dimes in his pocket. He has six more nickels than he does dimes. How many of each does he have? Sarah has dimes and nickels which total $1.65.The number of nickels she has is 3 less than the number of dimes. How many of each...