SOLUTION: three quarters of a number is 21. find the number

Question 54509This question is from textbook Algebra Structure and Method book 1
: three quarters of a number is 21. find the number This question is from textbook Algebra Structure and Method book 1

Found 2 solutions by rchill, josmiceli:
Answer by rchill(405) (Show Source): You can put this solution on YOUR website!
Let x represent the number, then is "three quarters of a number", and the equation becomes . Now multiply both sides by 4 and get and dividing both sides by 3 yields .
Answer by josmiceli(19441) (Show Source): You can put this solution on YOUR website!
Let x be the number

multiply both sides by 4

divide both sides by 3

check by putting the answer back into the equation

OK
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