Make a proportion
6/18 = 10/z
Cross multiply
180 = 6z
180/6 = z
Z = 30
Answer: The winning ticket is
is equivalent to
.
Step-by-step explanation:
Let's check all the options
is not equivalent to 
is not equivalent to 
is equivalent to 
is not equivalent to 
Thus, the winning ticket is
is equivalent to
.
Answer:
The student made the first mistake in step 2.
Step-by-step explanation: