They are equal
20
If 20 = 100% then 45 = 225% So, 45 is an increase of 125% on 20
5x > -20 divide both sides by 5; x > -4 On a number line graph all real numbers to the right of -4 and use an open dot at -4 to indicate that -4 is not a solution.
The numbers 1, 2, 3, ... , 18, 19.
23 and 29 are the two prime numbers greater than 20 but less than 30.
The numbers 23 and 29 are prime.
23 and 29 are the prime numbers between 20 and 30.
23
23
That's an infinite set.
The prime numbers between 20 and 50 are: 23 29 31 37 41 43 47
23, 29, 31
23 and 29
23 is the only one.
23, 29, 31
23 29