2 years ago

The mean of three numbers is 8Two of the numbers are 6 and 11Work out the third number.

Mathematics

1 answer:

Natali [406]2 years ago

5 0

Answer:

$x=7$

Step-by-step explanation:

→ Form an equation

$\frac{x+6+11}{3}=8$

→ Solve

$x+6+11=24\\$

$x=7$

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The mean of three numbers is 8Two of the numbers are 6 and 11Work out the third number.​

The mean of three numbers is 8Two of the numbers are 6 and 11Work out the third number.