Question

a peanut butter jar has a height of 5.9in and diameter of 3.6 in. one cubic inch holds 0.45 oz of peanut butter. How many ounces will fit in the jar

Answer 1

Do this problem the same way I showed you for your last problem.

http://www.mathsteacher.com.au/year9/ch14_measurement/18_cylinder/cylinder.htm

Answer 2

V = Ab*h = pi*r^2*h,
V = 3.14*(1.8)^2 * 5.9 = 60.05in^3.

0.45 oz/in^3 * 60.05in^3 = 27 oz of
peanut butter.