Joe buys 18kg of potatoes. Some of these are old potatoes at 22c per kilogram,
the rest are new ones at 36c per kilogram.
(ii) Joe pays with a $5 note and receives 20c change. What mass of new potatoes does he buy?
These solutions may offer step-by-step problem-solving explanations or good writing examples that include modern styles of formatting and construction
of bibliographies out of text citations and references. Students may use these solutions for personal skill-building and practice.
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