Question

Need help on #18 please

Answer 1

your bag`s weigh is 22 pound right now so you still can add 40 - 22 = 18 pounds. So you can right this inequality:
x + 22 ≤ 40
so x is the number of pound that you can add:
x ≤ 40-22
x ≤ 18 :)))
i hope this is helpful
have a nice day