Answer:
3.5 Oz of chocolate
Step-by-step explanation:
1.6 lb of cookie dough is made from chocolate of 8 Oz
1 lb will be made by 8/ 1.6 = 0.5 Oz of chocolate
Therefore
7lb of cookie dough will be made from 7 * 0.5= 3.5 Oz of chocolate/

solve for "a", to see what Africa's population will then be
The arc length, radius and the included angle are related as
where
is in radians.
The radius
is given by

Correct choice is (B).