thegame12 wrote:
Hello everyone,
I bought the 6th edition of the MGMAT last week but it seems that there is some problems with my book.
For example, in the book number 1 (fractions, decimals and %),there is a problem set at the end of each chapter.
''4. What is the ratio of x:y:z?
(1) x+y=2z
(2) 2x+3y=z''
and then they switch to the next question. (page 103)
however, in the answer they said I needed to chose between 4 solutions,
1- Number 1 only is sufficient
2- Number 2 only is sufficient
3- Neither
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