exam Maths Puzzle Numerical Ability

How do you write and algabric expression in a word problem. Can you give me some examples.

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exam Other Question

Hello the section im working on is on solving rational equations. I dont understand this one im working on.
Here it is

x/x-1 + x = 4x-3/x-1

Thanks for the help Connie can type 600 words in 5 minutes less than it takes Katie to type 600 words. If connie types at a rate of 20 words per minute faster than Katie types, find the typing rate of each woman.