1956 AHSME Problems/Problem 2
Problem #2
Mr. Jones sold two pipes at each. Based on the cost, his profit on one was
% and his loss on the other was %. On the sale of the pipes, he:
Solution
For the first pipe, we are told that his profit was 20%. In other words, he sold the pipe for 120% or of its original value. This tells us that the original price was .
For the second pipe, we are told that his loss was 20%. In other words, he sold the pipe for 80% or of its original value. This tells us that the original price was .
Thus, his total cost was and his total revenue was .
Therefore, he .