anonymous
  • anonymous
place 20 pennies on the table in a row. Now replace every fourth coin wit a nickel. Now replace every third coin with a dime. Now repace every sixth coin with a quarter. What is the value of the 20 coins now on the table?
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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katieb
  • katieb
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anonymous
  • anonymous
Help someone
anonymous
  • anonymous
if it was me, i would get some change and do it
anonymous
  • anonymous
i will try and see what i get

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anonymous
  • anonymous
I got $1.35
anonymous
  • anonymous
i didn't
anonymous
  • anonymous
i got $1.53
anonymous
  • anonymous
my coins looked like p p d n p q d n p p d q p p d n p q d n
anonymous
  • anonymous
8 pennies, 4 nickels, 5 dimes, 3 quarters
anonymous
  • anonymous
try again, because i do not guarantee that i did not make a mistake
anonymous
  • anonymous
20/4 = 5 5 of the pennies will be replaced by nickles 20/3 = 6.6 repeating, round down to 6 3 and 4 share the multiple 12, and 18, so two of your nickles are replaced with dimes you now have 11 pennies, 3 nickles, and 6 dimes 20/6 = 3.3 repeating, round down to 3 3 and 6 share the multiples 6, 12, and 18 12 is a dime, and 18 is a dime you have 11 pennies, 2 nickles, 4 dimes, and 3 quarters \[(11*1) + (2*5) + (4+10) + (3*25) = $1.36\]
anonymous
  • anonymous
how can you have repeating decimal money?
anonymous
  • anonymous
you don't, you have uneven division which you round off; that's why I rounded all of the numbers down rather than to the nearest digit.
anonymous
  • anonymous
I rounded the number of coins, not the amount of money. :P
anonymous
  • anonymous
?
anonymous
  • anonymous
how can you have a fractional number of coins?
anonymous
  • anonymous
you replace every 6th coin with a quarter 20/6 = 3.333 coins replaced you can only add 3 coins, because the fourth would land on 24, so you round it off.
anonymous
  • anonymous
i just got out some change and did it again i got $1.30 this time once more
anonymous
  • anonymous
I'm gonna run the math one more time, 1 sec
anonymous
  • anonymous
finally! i got $1.35 just like @Mindless143
anonymous
  • anonymous
coins # 4,8,16,20 are nickles coins # 3,9,15 are dimes coins # 6,12,18 are quarters 10 pennies, 4 nickles, 3 dimes, 3 quarters \[10 + (4*5)+(3*10)+(3*25) = $1.35\] so $1.35 was correct, I missed a coin or two apparently.

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