The equation used to esimate typing spped is S=1/5(w-10e), Where S is the accurate typing speed,W is the number of words typing in 5 minuties and e is the number of errors.
9.Ignacio can type 55 words per minuties(wpm).Is 5 minuties,she types 285 words.How many errors would you expect her to make
10.If alex types 300 words in 5 minuties with 5 errors,what is his tryping speed.
11.Johanna recevies a report that says her typing speed is 65 words per minute.She knows that she made 4 errors in the 5 minuties test.How many words did she type in 5 mintes.
I'll help you with number 9......see if you can do the rest by yourself
#9 the problem gives you:
55 wpm = S
285 =w
e= ? This is what you are looking for....just substitute these values into the equation that is given S= 1/5 (w-10e) and solve for 'e'
55 = 1/5 (285-10e) Multiply both sides by '5'
275 = (285 - 10e) Subtract '285' from each side
-10 = -10 e Divide both sides by ' -10'
1 = e
For #10 , the values will be w = 300 e = 5 Substitute into the equation and solve for 'S'
