Question: Devon runs 6.7 kilometres every morning. One day, she runs 3.9 kilometres and then stops to take a break. How much further does Devon have left to run?
(1) 3.2 kilometres
(2) 3.8 kilometres
(3) 2.9 kilometres
(4) 2.8 kilometres
Solution:
Subtract the numbers of kilometres. Remember to line up the decimal points.
6.7 – 3.9 = 2.8
Devon has 2.8 kilometres left to run.
Then the option is (4).
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