2x(x-1000)-x+1000=0 tìm x

x=0,5 và x=1000

Step-by-step explanation:

=>2x²-2000x-x+1000=0

=>(2x²-x)(-2000x+1000)=0

=>(2x-1)(x-1000)=0

=>[2x-1=0

=>[x-1000=0

=>x=1/2=0,5 và x=1000

81 seats

step-by-step explanation:

if you multiply 0.65 times 125 then you get 81.5 seats. well since you can't have half of a seat you have to round down and get 81 seats in the no children zones. that leave 44 seats outside of the no children zone.