Question

There are 12 girls and 8 boys in Mrs. Martins class. Each day, she randomly asks one student to take attendance. In 180 school days, which is the best prediction for the number of times that a student will be a girl? *
A.72
B.90
C.99
D.108

Answer 1

\[\frac{12}{20}\] is the ratio of girls to the total
multiply
\[\frac{12}{20}\times 180\]