(a)[4]
Find the total holiday cost, including tax, for the Perez family.
(b(i))[3]
Find the day and local time in Tokyo at which the plane arrives.
(b(ii))[2]
Calculate the plane's average speed.
(c)[2]
A watch has a price of $100$. Find the yen cost of this watch.
(d)[2]
Work out the drinks cost.