Answer:
Poorly formated. Please fix the question so it is more understandable!
93.75 because 5.75x7.50=43.125 and 6.75x7.50=50.625 and 50.625+43.125=93.748 and round it to the near test hundredth because it’s money and that’s 93.75
The student weighs 108.8 pounds on saturn. 85x2.34=198.9 -90.1 = 108.8
Really,

Simple Calculator Calculation
Answer:
Hey there!
3n-2=2n
n-2=0
n=2
Let me know if this helps :)