(a(i))[3]
Calculate the value of Zak’s investment after 5 years.
(a(ii))[2]
Calculate the value of Yasmin’s investment after 5 years.
(a(iii))[3]
How many more complete years pass before Yasmin’s investment becomes greater than Zak’s investment?
(b)[3]
Calculate the value of Xavier’s car after 5 years. Give your answer correct to the nearest dollar.
(c)[3]
Find the value of $r$.