You have 3­ 2/3 pizzas. you divide them equally between 2 friends. each friend gets pizzas.

a). 4/3
b). 11/6
c). 5/6

3 2/3 of Pizza ==> 11/3 Pizza.

divide them by 2==> (11/3)/2. To divide a fraction by a given number, you multiply the 1st one by the inverse of the 2nd. So 2 inverse is 1/2
Now you multiply  11/3 x 1/2 =11/6 B Answer

(note: to multiply 2 fractions, you multiply their denominator as well as their denominator, For your info any number has a denominator of 1, even if wee do not write it)

The variables should add up to equal 1

I'm not sure but i think it's 1670km/h