If the product of two numbers is -40 and one number is -5, what is the other number?

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Multiple Choice

If the product of two numbers is -40 and one number is -5, what is the other number?

Explanation:
When the product is negative, the signs of the two numbers are opposite. Here, one number is -5, so the other must be positive. Let the unknown be x. Then (-5) × x = -40. Divide both sides by -5 to isolate x: x = (-40)/(-5) = 8. Checking: (-5) × 8 = -40, which matches. The other options don’t fit because they produce different products when multiplied by -5 (for example, -8 gives 40, 40 gives -200, and 5 gives -25).

When the product is negative, the signs of the two numbers are opposite. Here, one number is -5, so the other must be positive. Let the unknown be x. Then (-5) × x = -40. Divide both sides by -5 to isolate x: x = (-40)/(-5) = 8. Checking: (-5) × 8 = -40, which matches. The other options don’t fit because they produce different products when multiplied by -5 (for example, -8 gives 40, 40 gives -200, and 5 gives -25).

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