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Add together three numbers each time to score 45. .........................How many different combinations are there?

+1 vote
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Add together three numbers each time to score 45.

Each number can be used as many times as you wish.

How many different combinations are there?

5 10 15 20 25

posted Oct 20, 2017 by Vishal

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1 Answer

+1 vote

5 combinations
.
5 + 15 + 25
5 + 20 + 20
10 + 10 + 25
10 + 15 + 20
15 + 15 + 15

answer Oct 20, 2017 by Jcm



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