Answer:

Step-by-step explanation:
We know that,

where,
r = radius,
θ = central angle in radian.
Given,
diameter = 6 m, so radius = 3 m.

Putting the values,



Old price=new price/(1+inflated rate)
=2000/(1+1.08)
=185.19 (approximately)
Don’t take my word for it but I think 3rd option
Sorry in French is pardon
1/2 Gallon is equal to 64 ounces
16 x 6 = 96
96 + 64 = 160
5 gallons is equal to 640
640 - 160 = 480