Question 1194873

Three friends, alex,Brenda and charles decided to buy a car. Alex  pays 1/4 of the cost, Brenda pays 1/3 of the cost and charles pays the rest. What fraction of the cost does charles pay?
Brenda pays 12000 more than alex. Calculate the cost of the car?
<pre>Doesn't that dude realize that the cost of the car CANNOT be $14,400? 
How can it cost that little when Brenda paid {{{1/3}}} of the cost, which is $12,000 more than the {{{1/4}}} cost 
that Alex paid? Don't these people look at what they're doing and the reckless help they're providing?