Kata

Plot

Mr Ping and some of his friends want to buy a gift for a person.
However Mr Ping is stingy and smart as a lynx, and thus said that he would be the one to buy the gift.
Then the price would be divided equally between the participants.

Mr Ping said so in order to have the opportunity to make others pay more than they should, so that he would have nothing to pay.

For example, if the gift costs 10€ and there are 5 participants, Mr Ping included, everyone would have to pay 2€; but being him stingy (and smart) he would make them pay 2.50€ saying that the gift costed 12.50€.

Task

Given the real price of the gift, calculate the price that Mr Ping should propose to the other participants so that Mr Ping has nothing to pay.

input :
-) r_price   # the real price of the gift
-) n         # the number of participants (Mr Ping included)

output :
-) p_price   # the price told them by Mr Ping

Examples

stingy_machinations(10.00, 5) == 12.50

stingy_machinations(25.50, 6) ==  30.60

Notes

• The result should be rounded after 2 decimal digits, for example 45.429 should be returned as 45.43, while 45.423 as 45.42.

• r_price will be a float number between 0.00 and 50000.00 included

• n will be an int number between 2 and 1000 included

My other Katas :

Table Builder
Explosive Table
Techno Barman
Odd-Even Compositions

any reference to people or things is purely coincidental.