As far as I know 0 IS a rational number. The only ones that are not rational are negative numbers. :) Though I could be wrong.....
Puppies : Adults = 1 : 4
Total parts = 1 + 4 = 5
5 parts = 100 dogs
1 part = 100 ÷ 5 = 20 dogs
Answer: 20 puppies
<span>Larger angle measures four degrees more than seven times the smaller angle. ... The measure of one of two complementary angles is 21 less than twice the measure of the other angle. ... One angle is 4 degree less than 3 times the other.</span><span>
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The domain is hope this helped:)
