Answer:
$12.24
Explanation:
Note that there is a difference if price increases by 102% and to 102%. The increase by means it goes beyond the original by thst percentage but if the increase is to, it comes to the given percentage. In this question,
it is increase by 102%.
When the price rises by 102%, it will be sold at 202% of the current price.
New price is 12*202/100=$24.24
Price differences will be $24.24-12=$12.24
Therefore, if Sam buys the skate board now before price increases by 102%, he will save $12.24