Asked by Sope
What are 8 coins you could use to get to 87 cents
Answers
Answered by
oobleck
all this takes is a bit of trial and error
you clearly need either
2 pennies or 7 pennies.
7 pennies is out, since there is no coin worth 80 cents
so, now you have
pp + 6 coins making 85 cents
qqq = 75¢, leaving 5 coins for the other 10¢ -- nope
ppqq = 52¢, leaving 4 coins for 35¢
looks like
ppndddqq
you clearly need either
2 pennies or 7 pennies.
7 pennies is out, since there is no coin worth 80 cents
so, now you have
pp + 6 coins making 85 cents
qqq = 75¢, leaving 5 coins for the other 10¢ -- nope
ppqq = 52¢, leaving 4 coins for 35¢
looks like
ppndddqq
There are no AI answers yet. The ability to request AI answers is coming soon!
Submit Your Answer
We prioritize human answers over AI answers.
If you are human, and you can answer this question, please submit your answer.