Answer:
60/100(60%) * x = 24
Where 60/100 represents the discount percentage, and x represents the original amount, and 24 is the result of the discount.
Solve for x;
60/100 * x = 24
60/100x = 24
60/100 also results in 0.6
0.6x = 24
/0.6 /0.6
x = 40, the regular price was $40.