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Percentages, SM-Bank 059

A tree was 15 metres tall two years ago. 

It was measured this year and its height had increased by 64%.

How tall is the tree now?  (2 marks)

--- 2 WORK AREA LINES (style=lined) ---

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\(24.6\ \text{metres}\)

Show Worked Solution

\(\text{Method 1}\)

\(\text{Height of tree}\) \(=15 + 15\times 64\%=15+9.6\)
  \(=24.6\ \text{metres}\)

  

\(\text{Method 2 (Advanced)}\)

\(\text{Height of tree}\) \(=15\times 164\%=15\times 1.64\)
  \(=24.6\ \text{metres}\)

 

Filed Under: Percentages Tagged With: num-title-ct-core, smc-4462-35-% Increase/Decrease, smc-4462-40-Word problems percentages

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