Answer:
$6,400
Step-by-step explanation:
9100-1100
8000
8000×1/5
$1600
8000-1600
$6,400
Arc length is figured by the following formula theta/360 x 2pi(r) input the knowns 30/360x2pi(20)=11.52 miles
This is a formula if you need one. DON'T forget to cross-multiply
3/4 = x/12
43.21-38.99=4.22
the difference is 4.22 ounces in weight.
