It is a rational number because it can be expressed as an improper fraction in the form of -80/1
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An irrational number is a number which cannot be expressed as a fraction made of integers. These numbers generally have infinite decimals with no pattern to them whatsoever. The easiest way, I think, to make an irrational number is to take the square root of a number between the squares of your parameters, in this case between 64 and 81. Thus a number such as square root(72), which is 8.485281..., or square root(80), which is 8.944571..., will do nicely.
28 is the answer. if 12 is 15% of a number ,the number is 80. 35% of 80 is 28
No, 80 is a not perfect square.
The answer is -10 and -8. -8 + -10= -18 -8x-10 =80.
If 45 = 120% then simply divide 45 by 120, to find 1%, which is 0.375 and then multiply this by 80 to find 80%, which is 30 - or - 1.20X = 45; X = 45/1.20 = 37.5; then 80% of the number is: 37.5 X .80 = 30