Answer:
I think that the original price would be $30, but I'm not completely sure.
Step-by-step explanation:
Half (50%) of 40 would be 20, and half of 20 (25%) would be 10. Add 10 to 20 to get 30, because you are adding the %25 back to $20.
Hope this helps!
Answer:
$80
Step-by-step explanation:
25% = 1/4
To get original price multiply by 4:
$20 × 4 = $80