2 years ago

The average of two numbers is 15. One of the numbers is 10. What is the other number

Mathematics

2 answers:

nikitadnepr [17]2 years ago

6 0

Answer:

The other number is 20.

Step-by-step explanation:

$\frac{10 + x}{2} = 15$

<em>Multiply each side by 2.</em>

$10 + x = 30$

<em>Subtract 10 from each side.</em>

$x = 20$

There you go!

Troyanec [42]2 years ago

4 0

15 sorry that’s all I know

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