The answer is D, or since they're not lettered the fourth option.
To find the percentage of eight-grade band members who can play more than one you need to have the number who DO play more than one over all of the eight graders combined. Mike instead used multiple grades values in his equation
Answer:
1) 3/2
2) 13/10
3) 1/3
4) 9/7
5) 13/20
Step-by-step explanation:
H=w=4w^3
l=5w^2-3w-4
A=w•l
A=4w^3(5w^2-3w-4)
A=20w^5-12w^4-16w^3
Good luck
