Question

Write an algebraic expression to model the unknown number situation.

the sum of a number and one-third


Which statements are true? Select all that apply.

You can replace "a number" with a variable to represent an unknown value.
You can replace "sum" with an addition sign.
You can replace "sum" with an multiplication sign.
You can replace "one-third" with 1/3
The correct algebraic expression is 1/3 n


CHART IS BELOW

Answer 1

You can replace "a number" with a variable to represent an unknown value.

You can replace "sum" with an addition sign.

You can replace "one-third" with 1/3.

Explanation:

"the sum" means to add.

Let "a number" = x:

The sum of a number and one-third = x + 1/3.

You can replace "a number" with a variable to represent an unknown value.

You can replace "sum" with an addition sign.

You can replace "one-third" with 1/3.