Money anyone??
Probability
Level
3
Q»There is a currency ¥ available in only three denominations 1¥, 10¥, nd 50¥ . In how many ways u can pay a sum of 107¥ ?????
The answer is 18.
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1 solution
We can pay with this configuration:
a . 1 0 + 1 = > 1 0 different ways
b . 1 0 + 5 0 + 1 = > 5 different ways
c . 5 0 + 1 = > 2 different ways
d . 1 = > 1 different way
Hence, the total sum= 1 8 different ways