Answer:
68 words per minute
Step-by-step explanation:
Average number of word per minute,
;Average = Total number of words ÷ the time taken to type all the words
; Average = 1496 ÷ 22
; Hence the average number of words per minute
; 68 words per minute
The average number of words she can type per minute is 68.
Average is a parameter used to predict the central tendency of the data, an average is the mean of the data set obtained by summing all the values of the data set and then dividing it by the number of data in the set.
The average of any data set is given by the formula
Average = ( Sum of the numbers in the data set) / (Number of data in the
set)
Average can also be determined by dividing the total work done by the time taken to do the work to determine the work done in unit time.
The student has been typing for 22 minutes
The time he has taken is 22 minutes
The total number he has typed is 1496 words.
The equation is a mathematical statement used to correlate two algebraic expressions by an equal sign.
Let the time is denoted by t and the number of words typed in 1 minute is denoted by d then the equation can be written as,
The total number of words typed, w = dt
d can be determined as 1496 words in 22 minutes
The average words = 1496/22 = 68
d = 68
The equation will be,
w = 68t
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