This table shows the number of girls enrolled in school by class. Freshman
Sophomore
Junior
Senior
Girls
165
145
114
102
If a student is chosen at random from this group, which is the probability that a senior will be chosen?

answer: 16

step-by-step explanation: first you would add 6+6 which equals 12 then add 2+2 which equals 4. then add 12 + 4 which is 16.

hope this ^_^

multiplication is multiplication.   it might feel harder depending on what level of math you are in, but generally it will be the same old stuff, while implementing some new concepts and methods of solving work.