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Question:

Debbie receives a weekly salary of $80, plus a 5% commission on any sales. During the week, she has $800 in total sales. What’s the ratio of her commission to her salary?

A 1/2
Explaination

Her commission for the week was $40 (0.05 × 800 = 40). The ratio of her commission to her salary is 40/80, which can be reduced to 1/2.