Answer:
Step 2 contains error in the given problem.
Step-by-step explanation:
Given expression is:

Step 1: identifying the LCM.
The LCM identified is 6.
This step is correct.
In the next step, we multiply the LCM with each term of the equation.
Step 2:

However,
In the given solution, the LCM is not multiplied with each term.
Hence,
Step 2 contains error in the given problem.
Answer:
Let x and y be the two positive integers the Christopher is thinking.
x is equal to 7
and y =20
Answer:
36 cents
Step-by-step explanation:
Answer:
.999...
Step-by-step explanation:
99>64 just put a decimal
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