First step: x= ± √ 121
Second step and correct answer: x= ± 11
Because: x^2 = x= ± √
I believe the answer is C
Answer:
She will need 16 packages
797,100 deaths x
---------------------------------- = -------------------------
350,000,000 people 100,000 people
or:
797,100 deaths x
--------------------------- = -----------------
3500 people 1 people
Result: 228 deaths per 100,000 people
