Q4. Colin works on 5 days each week.
Each day he drives from his home to work and from work to his home.

Colin pays £3.50 each day to use the car park at work.

The distance from Colin's home to work is 18 miles.
Colin's car uses one gallon of petrol every 45.2 miles.

1 liter of petrol costs 136.9p
1 gallon = 4.546 liters

Work out the total cost for Colin to use his car for work each week.
You must show all your working.