Answer:
A. $24.11
Explanation:
Take $210 out of the $250 he gave the cashier
250 - 210 = 40
So you have his exact change without the tax though. so take what he RECIVED away from what he was suppose to recive which is 40. So.....
40 - 15.89 = 24.11
$24.11
Hope this helps!