What is 40 percent of 320?

128

Step-by-step explanation: To find 40% of 320, first rewrite 40% as a decimal by moving the decimal point two places to the left to get .40.

Next the word "of" tells us we need to multiply so we multiply .40 by 320.

(.40) (320) = 128.00

Therefore, 40% of 320 is 128.

80π/3 or about 83.775

step-by-step explanation:

since a cone is 1/3 of a cylinder, we need to find the base's area. since area = πr^2, we get 16π. then, multiplying this by 5, we get 80π. dividing by 3, since the cone's volume is 1/3 of that of a cylinder's, we get 80π/3.

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