Answer:
im pretty sure its 43.5
Step-by-step explanation:
Zero of 7 with a multiplicity of 3 means one factor is 
Zero of -1 with a multiplicity of 2 means one factor is 
Zero of 5 with a multiplicity of 1 means one factor is 
Multiplying, we get

That's already in factored form so we leave it here.
400/1600 =25%
Explanation:
Total=1,200+400=1,600
Answer:
yes it exists.and answer is 5.