Logan drew 4 hearts and 40 circles. What is the ratio of hearts to al shapes?
2 answers:
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Answer:
Let a and b integers and suppose that are even numbers. Then, exist integers k and m such that and
.
Then,
Since, k and m are integers then n=k+m is an integer. Then, since a + b is of the form 2 by an integer n, then a + b is an even number.