Answer:
50
Step-by-step explanation: I think this is the answer because you need to add 19 and 31 and every percent goes to 100% 19 + 31 = 50 and 19 + 31 + 50 = 100 so 50% voted for biking. Hope this helps.

if you get a positive value, that means 2 real solutions
if you get 0, means 1 real solution only
if you get a negative value, is an imaginary root solution, same as saying no solution.
<span>I did the 38 times pi and got 119.3805 then multiplied it by 11
To get 1313.1855
Then divided by 2=
656.59275
And divided by pi
208.9999
Then round up.</span>
Answer:
9
Step-by-step explanation: