Quote:
Originally Posted by DUK
But if you set the 2 in the equation to x and set the equation equal to 288, x then = 1/72. Thus proving 2 is the correct answer.
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48÷2(9+3)=288
ok to check
48÷X(9+3)=288
rewrite in rational form
inside parenthesis
multiply numerators & denominators
cross multiply
perform the inverse operation
