How many miles to the gallon?

Question

@ 03524 I put £10 petrol in

@ 03552 put another £10 in

@ 03564 put £5 in

@ 03587 I ran out of petrol.

The average price per gallon is £1.11.

First correct answer gets 10 points.

Answer 1

aprox 3.1

and don't you measure in litres?

Answer 2

around     21 mpg ?

Answer 3

do your own home work

Answer 4

assuming your tank was mt at start

63 mls cost u $25

$25 buys u 22.5 gals

63 mls on 22.5 gals

2.8 mpg

Answer 5

2.7972

Correct?