# mathematics

Trendy Time race carts charges \$25 plus \$1.50 per lap. Which best describes the relationship between the total cost and the number of laps?

A. linear and proportional relationship

B. linear, non-proportional relationship

C. non-linear relationship

D. None of the above

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1. if it were a flat \$1.50 per lap, that would be linear and proportional.

The extra \$25 makes it not proportional, but the fixed charge per lap keeps it linear.

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posted by Steve
2. Thanks Steve!!

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