Direct proportion

Direct proportion

Secondary 2

\(2.5\) m of ribbon costs \(\$4.60\). The ribbon is sold at a fixed price per metre.

  1. Find the cost of \(7\) m of the ribbon.
  2. Find the greatest whole number of metres of ribbon that can be bought with \(\$20\).

Solution:

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Answer:(a) \(\$12.88\) (b) \(10\) m

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