SOLUTION: The word problem 1/4 of a number subtracted by 2/5 of the same number equals 15 what is the number? I know the number is 20 but I don't know why ...I just got 3/20 could you please
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Question 656042: The word problem 1/4 of a number subtracted by 2/5 of the same number equals 15 what is the number? I know the number is 20 but I don't know why ...I just got 3/20 could you please show me how this is solved?
Thank you
Answer by lynnlo(4176) (Show Source): You can put this solution on YOUR website!
1/4-2/5=1x5/4x5-2x4/5x4........get common denominator
5/20-8/20......................multiply
5-8/20.........................get your terms
-3/20..........................answer
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