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Burka [1]
3 years ago
8

Algebra please help!!! 10 points!

Mathematics
2 answers:
Goryan [66]3 years ago
4 0

Answer:

12+8=x or x-8=12 and they collected 20 leaves yesterday

Step-by-step explanation: Since they collected 8 fewer today, to find yesterday u would have to add. 12+8=20. PS idk if that makes sense srry

Mademuasel [1]3 years ago
3 0
They collected 20 leaves yesterday
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a store is having a sale on chocolate chips and walnuts. for 9 pounds of chocolate chips and 7 pounds of walnuts, the total cost
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Answer:

The cost for each pound of chocolate chips is $2.75 and the cost for each pound of walnuts is $3.75.

Step-by-step explanation:

9x+7y=51

3x+5y=27

----------------

9x+7y=51

-3(3x+5y)=-3(27)

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9x+7y=51

-9x-15y=-81

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simplify,

y=15/4

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x=(99/4)(1/9)=99/36

simplify

x=2.75

So the cost for each pound of chocolate chips is $2.75 and the cost for each pound of walnuts is $3.75.

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3 years ago
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Answer:

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