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The numbers between 1 and 2011 are written on a piece of paper. Logan circles the even numbers with red
circles and Miranda circles the multiples of 5 with blue circles. How many numbers are circled with only one
color?

 Mar 3, 2021
 #1
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there are (2010-2)/2+1=1005 circled red, and (2010-5)/5+1=402 circled blue, and there are (2010-10)/10+1=201 circled both blue and red, so

1005+402-201=$\boxed{1206}$ are circled once

 Mar 4, 2021

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