Symbols
four times a number, x, is less than 24
4x<24
Less than or equal to
< _
f+18<27
f<9
two thirds a number, p, is greater than or equal to 6
2/3p ≥ 6
s-7<-3
x<4
a negative of a number, r, plus 4 is less than 14
-r+4<14
145>x+95
50>x
the difference of a number q and 6 is less than 21
q - 6 < 21
-2+r<6
r<8
the sum of 25 and the product of 50 times a number d is greater than 675
25 + 50d> 675