Answer:
about 12 people
Step-by-step explanation:
cir.=2πr=62.8 , so r=31.4/π , vol of tower= base area × hight = πr² × 11.5 ≈ 3609.17 cm³ , number of people= vol/300 ≈ 12
-9yъ
Since they have the same variables (yъ) then you can add or subtract,
=-8yъ -yъ
= -9yъ