Navja is employed at a post office.
(a(i))[4]
Find the amount of change he gets.
(a(ii)(a))[1]
Show that the increase in the cost of sending an Extra large parcel is $0.28$.
(a(ii)(b))[1]
Explain why Avani is incorrect.
(b(i))[3]
Work out the value of $w$.
(b(ii))[2]
Complete the statement about the value of $p$.
Worked solution & mark scheme
This 11-mark question has a full step-by-step worked solution and mark scheme. One marking point: “Relevant costs: 0.76, 5.6, 5.6, 2.2” …
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