Kyra purchased a pack of 20 erasers. She kept 8 erasers and equally divided the rest among three friends. Which expression tells how many erasers each friend received?

Given:

Total number of erasers = 20

Kyra kept 8 erasers and equally divided the rest among three friends.

To find:

The expression that tells about the number of erasers each friend received.

Solution:

Total number of erasers = 20

Kyra kept 8 erasers.

Number of friends = 3

Let x be the number of eraser each friend received.

Number of eraser divided amount three friends = 3x

Now,

Erasers kept by Kyra + Erasers divided amount three friends = Total erasers

Divide both sides by 3.

It can be written as

Therefore, the required expression is and its value is 4.

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