Problem 5 · 2009 Math Kangaroo
Easy
Fractions, Decimals & Percents
total-then-divide
Mother bought 16 mandarins. Karl ate half of them, Eva ate two, and Dana ate the rest. How many mandarins did Dana eat?
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Answer: B — 6
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Hint 1 of 2
Half of 16 goes to Karl first.
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Hint 2 of 2
Subtract Karl's and Eva's shares from 16 to find what is left for Dana.
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Approach: subtract the known shares
- Karl ate half of 16, which is 8.
- Eva ate 2.
- So Karl and Eva together ate 8 + 2 = 10.
- Dana ate the rest: 16 − 10 = 6.
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