I agree because he calculated it the right way and that is the same answer I got.
Hope I helped :)
Answer:
one solution
Step-by-step explanation:
X-9=0
Add 9 to each side
X-9+9=0+9
x = 9
There is one solution
A. 0.60 cents each.
Explanation: 1.20 dollars divided by two is 0.60 cents.
The first step because 1 dollar and 60 cents is not (1.6)= 2 dollars and 5 cents