Liam is setting up folding chairs for a meeting. If he arranges the chairs in 8 rows of the same length, he has 9 chairs left ov
er. If he arranges the chairs in 6 rows of that same length, he has 21 left over. How many chairs does Liam have?
1 answer:
8x +9 = 6x + 21 where x = number of chairs in each row
2x=12
x=6
sub back into original equation 8 x 6 + 9 =57 chairs
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