Answer:
b+t < 12 (< has a line under it)
Explanation:
Liz can work at most 12 hours per week. So, add the number of hours she spends babysitting, b, and the number of hours she spends tutoring, t, in a week, and represent the sum as less than or equal to 12:
b + t < 12
Also I just got done doing this problem my self