Question

the taxi rider cost $1 and 40 cents extra for each quarter mile what was the total cost of 2 miles

Answer 1

For each ¼ of a mile he charges $1.40.
After 2 miles he charges $1.40(2)(4) = $11.30.

Answer 2

 ¼ of a mile rider charges  charges $1.40. 
After 2 miles he charges $1.40*2*4 = $11.3
plz use unitary method 
also use equation support to solve as mentioned above