It's a word problem
Chad sold 523 CD's last month. He sold 163 more CD's this month than last month > How many CD's did Chad sell in all?
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Maybe this will help.
Last month = 523
This month = 523 + 163 (last month and 163 more)
therefore the answer would come from: 523 + (523 + 163) =
Simplified as 523 + (686) or 523 + 686
Total = 1209
He sold 532+163 this month, that is 695. Last month he sold 532. Together in two months he sold 532+695=1227 CD's.
Just take what he sold last month
add how many more he sold this month
then add those 2 numbers together.
This is just a simple problem that you should do it, don't need someone else do it and you copy it.