An 8-pack of candy bars costs $7.28. What is the unit price? plz help
1 answer:
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Answer:
IT is not
Step-by-step explanation:
Let's replace. If it's a solution, it means that BOTH equations has to be true.
Now, the second equations seems good - indeed.
First alas isn't. RHS is 142, which is totally not the same as -10.