Member Avatar for Gotcha

Does anyone knows how to solve this?

Thanks for suggestions.


Find a recurrent relation, its initial conditions and explain how is obtained this relation.

A Driver pays in a station of toll using only five cents coins or ten cents coins, throwing one currency a the time. Find the number of different forms that it can pay in the toll plaza. (the order in which the currencies are thrown is important and consider that the payment of the toll is a multiple of 5 cents.

thanxs,

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Member Avatar for Rashakil Fol

He either throws a nickel first or a dime first. The number of ways to pay is equal to the number of ways to pay by throwing a nickel first added to the number of ways to pay by throwing a dime first.

Member Avatar for MartyMcFly

lol, eight posts, all about homework. :)

Are they all off the same question sheet?

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