For The Mathematically Inclined

For The Mathematically Inclined

08/18/2017

Problem 1:

The original price of a car is $30000. The manufacturer offers a $4000 rebate. The dealer gives an additional 20% discount. What is the final price of the car?

Problem 2:

In a new scheme, the dealer if offering 20% discount on car plus additional discount for collective buying. The collective buying discount works as follows for a group of 10 everyone gets additional 10% discount, a group of 100 get 10% on top, and a group of 1000 get additional 10%, and so on. What should be the size of the group to get 50% discount on the car?

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