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3 years ago

What number must be added to the sequence of 7,13 and 10 to get an average of 13

Mathematics

1 answer:

Anna71 [15]3 years ago

7 0

Answer:

Step-by-step explanation:

We can write an equation:

(7+13+10+x)/4=13

x represents the number that needs to be added to get an average of

(7+13+10+x)/4=13

(30+x)/4=13

30+x=52

x=22

The number is 22

Hope this helps! Have a wonderful day :)

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