How to write twice the sum of a number and 9 equals 7 ?
1 answer:
2(x+9)=7
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There are 12 total people who enjoy reading (7+5), of which 5 don't ride a motorcycle. So the relative frequency of people that don't ride motorcycles is
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The answer is D, my friend.
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(13+2w)*(8+2w)=152
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