Respuesta :

Answer:

a. 0 ≤ x ≤ 3

Explanation:

If he has spent within $3 of his allowance, he has spent $3 or less. So, if x represents the amount spent, we can write the range of money spent as:

0 ≤ x ≤ 3

So, we can represent this range as a number line:

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