1 The current price of a pair of basketball shoes is $30. The original price had been reduced by 25%. that reduced price was then lowered by 50% to arrive at the current price. What was the original price?

In this last word problem it has a sign in it that i have no idea what it means and i also cant type it here for you to see but i'll try to explain it.

It looks like a (cp) but just no space at all between the c and the p.

Here is what the word problem is askin g me to do.

2. If (m cp n) = 1/m + 1/n + 1/m^2 + 1/n^2 for any values of m nd n, what is the value of ( 2 cp 4)? express your answer as a common fraction.