Answer:
Step-by-step explanation:
F -------> 1/d²
12 -------> 1/3²
12 ×(3/6)² ----->1/6²
3----->1/6²
Force = 3N if d=6
57.14
8/14 =x/100
cross multiply
800= 14x
x=57.1428
Answer: 7 1/2 divided by 3/4 is 10
1/2 ÷ 0.25 = 2