There are 65 chairs set up for a movie. They are arranged into 5 rows. How many chairs are in each row?, don’t answer if u don’t
know it
2 answers:
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To better give a visual, I drew it out instead.
The attachment is the solution.
Three consecutive numbers can be written as x, x+1, and x+2, but they also can be written x, x-1, and x-2 where x is the biggest number.
sum means adding... so
combine like terms and solve for x!
sum means adding... so
combine like terms and solve for x!