You said so yourself, Tomas paid $18.
The original price of the book was about $21.43.
Answer:for #2 it's answer 1. #3 is " five less than twice a number is 2x-5. Then 5 times the sum of two numbers if 5x+y. The the difference of 5 and a number squared is (5-x)*2
Step-by-step explanation:
Hope this helps
Answer:
A
Step-by-step explanation: