Answer:
3x-8y-16 = 0
Step-by-step explanation:
120
90 x 100 ÷ 75 = 120
n=6
(n-18)/3 = -4
multiply by 3
n-18 = -12
add 18
n = 6
there are 16 classmates in total including bess and caroline. and there chances as one person is 1 out of those 16 classmates.