# A BMX race track charges a one-time membership fee and an entry fee per race. One racer paid a total of \$76 after 3 races.

A BMX race track charges a one-time membership fee and an entry fee per race. One racer paid a total of \$76 after 3 races. Another racer paid a total of \$124 after 7 races. a) Which variable is the independent variable? b) is the entry fee per race? c) Write an equation that gives the total cost paid by a racer as a function of the number of races entered. d) Find our the total cost a racer would have to pay for 10 races.

(550 words)

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