Respuesta :
You said so yourself, Tomas paid $18.
The original price of the book was about $21.43.
The original price of the book was about $21.43.
Answer: 15.12
Step-by-step explanation:
84% of 18
=84/ 100 × 18
=84× 18 / 100
=1512/100
=15.12
The original price is $15.12