CEMC Pascal, 2012

Algebra Difficulty 1.2 Junior Find the answer Canada

What is the difference between the largest and smallest of the numbers in the list 0.302, 0.203, 0.320, 0.032?

Pick one

Solution

We write the list in increasing order: $0.023, 0.032, 0.203, 0.302, 0.320$ .

The difference between the largest and smallest of these numbers is $0.320 - 0.023 = 0.297$ .

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