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dalvyx [7]
3 years ago
6

Mark's brother is 5 years older than Mark. Their combined ages add up to 23. How old is Mark?

Mathematics
2 answers:
Mariana [72]3 years ago
4 0

Answer:

Mark is 9.                                                                      

9+5 =14

14+9=23

anygoal [31]3 years ago
3 0

Answer:

Mark would be 9

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<h2><u></u></h2><h2><u>Average speed</u></h2>

Given that each week, Rosario drives to an ice-skating rink that is 60 miles away, and the round-trip takes 2.75 hours, to determine, if she averages 55 miles per hour on his way to the rink, what is her average speed to return to his house, the following calculation must be made:

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