(a)[3]
Show that the family's total flight cost is $2441$, correct to the nearest dollar.
(b(i))[3]
Work out the length of time the plane is in the air, in hours and minutes.
(b(ii))[1]
Write your answer to part (b)(i) in hours, correct to 3 decimal places.
(b(iii))[1]
Find the total distance flown by the plane.
(b(iv))[2]
Calculate the plane's average speed while it is flying.
(c)[2]
Show that the total holiday cost is $5700$.