malamud and mohammed bought the same eight CD's but mohammed bought used CD's so each was half the price malamud paid. if the me
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Answer:
Step-by-step explanation:
You know that "Z" is the midpoint of "YA". This means the following:
Now, you know that the expression for "YZ" is:
And the given expression for "ZA" is:
Knowing these expressions, you can substitute them into , as following:
Finally, you must add these expressions in order to get "YA".
Therefore, this is: