A taxi cab company charges a flat fee of $3.30 and then an additional $2.20 for each mile. If a taxi fare is $29.70, how many miles was the trip?

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2.40x10=24.00+3.30=27.30

To determine the number of miles traveled on a taxi trip, we can subtract the flat fee from the total fare and then divide the remaining amount by the cost per mile.

Let's break it down step by step:

1. Subtract the flat fee from the total fare:
Total fare - Flat fee = Additional cost based on distance traveled

$29.70 - $3.30 = $26.40

2. Next, divide the additional cost by the cost per mile:
Additional cost based on distance traveled / Cost per mile = Number of miles

$26.40 / $2.20 = 12

Therefore, the trip was 12 miles long.