The original price would be $32.
If the original price marked down 30% is $22.40, than $22.40 must be 70% of some number.
22.40 is 70% of 32. 30% of 32 is 9.60.
If we deduct 30% ($9.60) from 32, we get $22.40, thus proving the answer is $32.
Hope this helps and please give me brainliest!