Question:
The table below shows the price of pencils and erasers sold at a bookshop.
(a) Azhar bought 3 pencils and 1 eraser. How much did he spend? Give your answer in terms of b.
(b) Raman paid $5.50 for 8 pencils and a number of erasers. If b = 35, how many erasers did he buy?
Solution:
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