Question

A taxi charges $2.00 for up to and including the first mile, and $1.60 for each mile thereafter. What would the taxi charge for a trip of 4 miles?

$8.00
$6.80
$6.40
$8.40
Bot
The first mile costs $2.00, and there are 3 miles left to travel. At $1.60 per mile, the cost for those 3 miles is 3 x $1.60 = $4.80. Therefore, the total cost for the 4 mile trip is $2.00 + $4.80 = $6.80.

So the answer is $6.80.