50 is the answer....
Percentage of 70% of what = 35?
70% × ? = 35
? =
35 ÷ 70% =
35 ÷ (70 ÷ 100) =
(100 × 35) ÷ 70 =
3,500 ÷ 70 =
50
Answer:
D: 65 km²
Step-by-step explanation:
The formula for area of a hexagon when given the base is
A = (3/2)(√3)b² where b is the length of the base
Here, b is given as 5, plug that in and simplify
A = (3/2)(√3)(5²)
A = (3/2)(√3)(25)
A = (75√3)/2
A ≈ 64.95 ≈ 65