(a(i))[1]
Calculate how much she earns per hour.
(a(ii))[2]
Find the difference between her pay per hour in the two weeks.
(b(i))[2]
Work out how many marbles there are of each colour.
(b(ii))[2]
State the ratio of red : blue : green marbles. Give your answer in simplest form.
(c(i))[1]
Complete the equation: $3b + 4t = ................................$
(c(ii))[2]
Express this as an equation.
(c(iii))[3]
Solve the pair of equations to determine the cost of a boat and the cost of a train. Show all of your working.
(d)[3]
Calculate the cost of buying $3.4$ metres of train track.