SOLUTION: Melina's typing speed is 36wpm. She finishes a job in 5 hours. How long would the same job have taken her if she typed 48wpm? I tried it like this:

Question 845468: Melina's typing speed is 36wpm. She finishes a job in 5 hours. How long would the same job have taken her if she typed 48wpm?
I tried it like this:
36wpm = 5hrs
12wpm(/3) = 15hrs(*3)
48wpm(*4) = 3.75hrs(/4)
Is there a more reliable solution, one with algebra pehaps?
Answer by Fombitz(32388) (Show Source): You can put this solution on YOUR website!
Rate*Time=Output
I think you've got the gist of it.
is the constant for output.
So any product of rate and time must equal

RELATED QUESTIONS
Melina's typing speed is 36 wpm (words per minute). She finished a job in 5 hours. How... (answered by Cromlix)

elsa can complete a typing job in six hours. She was given a helper and together they... (answered by stanbon)

a plumber and his assistant finished a job together in 4 hours. The job would have taken... (answered by josgarithmetic)

Pls. Help me I would like to know the proper solving of this question. Mariko can... (answered by ankor@dixie-net.com)

An executive secretary can finish a typing job in 10 hours while an ordinary employee can (answered by Edwin McCravy)

An executive secretary can finish a typing job in 10 hours while an ordinary employee can (answered by richwmiller)

Rochelle is typing a paper for her history class. She typed 54 words on 6 lines. If she... (answered by josmiceli)

Ezra can type a research paper in 8 hours. Micah helped Ezra in typing,and together... (answered by Theo)