# Writing a One-Step Expression For a Real-World Situation

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An algebraic expression is a combination of letters, numbers and operations without an equation or inequality sign.

If the length of part of a ruler is x cm and the length of the remaining part is 36 cm, then write a one-step expression to represent the total length of the ruler.

### Solution

Step 1:

The lengths of the parts of the ruler are x cm and 36 cm.

Step 2:

A one-step expression representing the total length of the ruler is x + 36.

If John has $y in his wallet and$100 in his bank, then write a one-step expression to represent the total amount John has.

### Solution

Step 1:

The amount John has in his wallet = $y The amount John has in bank =$100

Step 2:

A one-step expression representing the total amount John has is y + 100.