Answer:
try 420.5
im pretty shure that will work
Step-by-step explanation:
Step-by-step explanation:
the answer is in the above image
Ei = 9r......E = (9r)/ i
i = 18
r = 5
now we sub
E = (9 * 5) / 18
E = 45/18
E = 2.5......the pitchers ERA is 2.5
Answer:
7/18
Step-by-step explanation:
Total Number of Boys in both grades:
4+3=7
Total Number of Students:
8+10=18
Number of boys/ number of students:
7/18