Question 46
Joe paid the original price plus 6% of the original price. 

You know that a percent % is 1/100, so, 6% is 6/100 or 0.06.

original price + 0.06 * original price = 2500

1.06 * original price = 1500

original price = {{{2500/1.06}}}

original_price = 2358.49 (after rounding).