Tia and Ken each sold snack bars and magazines for a fundraiser. Tia sold 16 snack bars
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or in other words divide 7.5 by 9 to get your answer which is .83333.. which is the same as 5/6 of a page per minute.
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5/6 + 5/6 + 5/6 + 5/6 + 5/6 +5/6 +5/6 +5/6 +5/6 + 45/6 or 7 3/6 = 7 1/2
1) Substitution from definition.
2) We use
3) We are changing the order of 3 and .
4) We add 1 and 3 and we get
5) Substitution from definition (but the other way than at the beginning).