The average typing speed of a stenographer is 100 words per minute. how many words would a stenographer type in 4⁄5 of a minute if typing at the average speed?

80 words. 4/5 of 100 is 80

Step-by-step explanation:

56.6

step-by-step explanation:

the ratio of the perimeters is equal to the scale.

the ratio of the areas is equal to the square of the scale.

34 / 20 = k

a / 19.6 = k²

substituting:

a / 19.6 = (34 / 20)²

a = 19.6 (34 / 20)²

a ≈ 56.6

answer: .64

step-by-step explanation

set up the formula for standard deviation for this set of numbers, then simplify