Mark's brother is 5 years older than Mark. Their combined ages add up to 23. How old is Mark?
2 answers:
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Answer:
$ or ≈$
Step-by-step explanation
The question states that Mrs. Hadley spent $126.97 on one month, $237.81 on the next, and $198.42 on the last. To get the total, we can add these values together.
An estimation would be:
We can use this estimation to determine that the total value is reasonable.