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Members of the choir are baking cookies for a fundraiser. It costs $2.25 to make a dozen cookies,and the choirs initial expenses were $15.75. They sell the cookies for $4.50 a d…
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Members of the choir are baking cookies for a fundraiser. It costs $2.25 to make a dozen cookies,and the choirs initial expenses were $15.75. They sell the cookies for $4.50 a d…
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Mar 13, 2017
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Members of the choir are baking cookies for a fundraiser. It costs $2.25 to make a dozen cookies,and the choirs initial expenses were $15.75. They sell the cookies for $4.50 a dozen. How many dozen do that have to sell to cover their cost
Mathematics
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Kanstantsin Arlouski
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Replace the number of dozens by x.
Expenses = 2.25x + 15.75
Money made = 4.50x
Compare the 2 equations :
2.25x + 15.75 = 4.50x
Solve for x by moving things around to isolate the x :
15.75 = 4.50x - 2.25x
15.75 = 2.25x
15.75/2.25 = x
...
Hope this helps!
Tania Chistyakova
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Mar 18, 2017
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Tania Chistyakova
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