23 29 31 37 41 43 47 53 . . .
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They are equal
20
If 20 = 100% then 45 = 225% So, 45 is an increase of 125% on 20
The numbers 1, 2, 3, ... , 18, 19.
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.