what is the cost of 8 books at $4 each? what is the cost of x books at $4 each? what is the cost of 5 books at $x each ?
1 answer:
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Answer: (LAST OPTION)
Step-by-step explanation:
You have the following expression given in the problem:
If the expression on the left side of the equation is equal to the expression on the right side of the equation, and the problem asks to rewrite it as a system, you can conclude that the first equation is:
And the second equation is:
Therefore, you can set up the following system of equations: