Answer:
See below, please!
Step-by-step explanation:
There are infinite number of ratios equivalent to 3:8 because both numbers can be multiplied by a common number or divided by a common number.
For example, 9:24 would still be equivalent to 3:8 because the common number in our case is 3. See what I mean?
Hope this helped!
If you know the volume then:
(3 * Cone Volume) / (PI * radius^2) = height
C
the sum to infinity of a geometric series = 
where a is the first term and r the common ratio
=
= 81 × 3 = 243
2.65/5=.53(price per pound)
.53*2lbs=1.06
a 2 lb bag will cost $1.06