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brooklyn bought 8 bags of the same dog food. She has a $5 coupon. She spent $91. How much was each bad of dog food?

Sagot :

Theleangreenbeanidn

Answer:

$12

Step-by-step explanation:

Hi there!

What we know:

  • Brooklyn bought 8 bags of dog food
  • Brooklyn also used a $5 coupon
  • The total was $91

Therefore, 8 × (cost of 1 bag) - 5 = 91

Form an equation with x as the cost of 1 bag of dog food:

8 × (cost of 1 bag) - 5 = 91

[tex]8x-5=91[/tex]

Add 5 to both sides

[tex]8x-5+5=91+5\\8x=96\\[/tex]

Divide both sides by 8

[tex]\frac{8x}{8} = \frac{96}{8} \\x=12[/tex]

Therefore, 1 bag of dog food costs $12.

I hope this helps!

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