Answer:
51.8
Step-by-step explanation:
Multiply 15 by z and -51 which would equal (15z-765).
Add 765 to 12 and that equals 777
Divide 777 by 15 which would equal 51.8
divide the points by the multiplier 1.9
so 3.8 /1.9 =2
the base score was 2.0
6.18
yes
87.97 or 88
