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Moby ran 3 times as far as Cassie for a total of 12 miles. What does the variable in the equation 3f = 12 represent in this scenario?

A
How fast Cassie ran

B
How far Moby ran

C
How far Cassie ran

D
How far Moby and Cassie both ran

1 answer

In the equation \( 3f = 12 \), the variable \( f \) represents how far Cassie ran. Here’s the breakdown:

  • Moby ran 3 times as far as Cassie, so if Cassie ran \( f \) miles, Moby would have run \( 3f \) miles.
  • The equation states that the total distance Moby ran (which is \( 3f \)) equals 12 miles.

So, the correct answer is:

C: How far Cassie ran.