exam
Maths Puzzle
Numerical Ability
Please help, I do not understand the Cramer rule on the problems with three sets of numbers?
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I have most of this done,but i dont know if it is right, and some of it i do not know what to do, can you please help me?
3) The formula for calculating the amount of money ret
I have been trying to solve the following problem for 2 days:
5x-9+2x=3x+23-4x
The answer is suppose to be x=4; but I get 14 or 6 and I am not sure what I am doing wrong. Please help!
Thank you,
Cheryl