Answer:
Step-by-step explanation:
This is actually a word problem
step one:
let the maximum number be x
18+4x<30
4x<30-18
4x<12
divide both sides by 4 we have
4x<12
x<3
step two:
From this analysis, we can see that all possible numbers are real numbers less than 3 that is 2,1,0,-1,-2,..............etc