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A more formal definition for a number less than 20 could be, "a number x, x < 20" or if you want to express the set of all numbers less than 20 "{x | x < 20}" which is read "the set of all numbers x such that x is less than 20". In interval notation, you can write (-infinity, 20) where "infinity" should be replaced by the infinity symbol.

Q: Definition for Number less than 20?

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If you multiply a number by 0.8, the result is 20% less than the original number.

The prime number that is greater than 20 but less than 29 is 23.

300+20+8 is 10 less than what number

20 less than 2 times a number is 40 = 2x - 20 = 40Let x = the number2 times a number = 2x20 less than = - 20is 40: =40Translating it into mathematical symbols :2x - 20 = 40

Four less than a number and three is the number less one.

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15 is an odd number less than 20.

The number that 30 is ten less than is 40. Half that is 20. So the question becomes "what number is as much more than 10 is less than 20". This is gobbledygook, but if I rephrase to say "what number is as much more than 10 than 10 is less than 20", then since10 is less than 20 by 10, I guess 20.

If you multiply a number by 0.8, the result is 20% less than the original number.

The prime number that is greater than 20 but less than 29 is 23.

To compare -20 and 14, a positive number (in this case, 14), is always greater than any negative number.

300+20+8 is 10 less than what number

r - 20

20 less than 2 times a number is 40 = 2x - 20 = 40Let x = the number2 times a number = 2x20 less than = - 20is 40: =40Translating it into mathematical symbols :2x - 20 = 40

Four less than a number and three is the number less one.

The greatest prime number less than 20 is 19. For there to be a difference, we'll have to have another value.

No number is less than 20 and greater than 40, but if you switch them around, your answer is 25.

A prime number can be less than 20, but it is not a requirement that the number has to be under 20 to be considered prime. Here is a list of all the prime numbers under 20: 2, 3, 5, 7, 11, 13, 17, and 19 .