Answer: 3(9b+8)
Step-by-step explanation: Have a brilliant day of learning!-Lily ^-^
<span>21x+28=14
x= -2/3 or -0.666666666
</span><span>9x+12y=6
x=2/3 or .666666666
y=0</span>
Subtract tips from total:
87.05 - 50.25 = 36.80
Divide the remainder by 4.60:
36.80 / 4.60 = 8
She worked 8 hours.
1,166 days I know this because I just did the math rig now
