mia362709 mia362709

16-02-2021
Mathematics

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Marks brother is five years older than Mark. Their combined ages add up to 23. How old is Mark?

Marks brother is five years older than Mark Their combined ages add up to 23 How old is Mark class=

Respuesta :

16-02-2021

Answer:

18

Step-by-step explanation:

equation: 5 + a(unknown age) = 23

23 - 5 = 18,

5 + 18 = 23

Therefore Mark is 18 years old

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BulletBob BulletBob

16-02-2021

Mark is 9 (and his brother is 14).

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