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MaRussiya [10]
3 years ago
9

PLEASE HELP ASAP, I also have other questions i need help with

Mathematics
1 answer:
Alecsey [184]3 years ago
8 0
2x+7+12y+1=180 and
2x+7=3x-7

x+6y=86 and
x=14

so x+6y=86 is 14+6y=86

6y=72

y=12

answer: x=14 and y=12
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Answer:

24.75 = 3*4.50 + x*4.50

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Step-by-step explanation:

Gala apples = 3 lbs

Granny apples = x lbs

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Total cost = 24.75

Total cost = gala apples * cost per pound + granny apples * cost per pound

Substitute in what we know

24.75 = 3*4.50 + x*4.50

24.75 = 13.50 + 4.5x

Subtract 13.50 from each side

24.75-13.50 = 13.50-13.50 + 4.5x

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Divide by 4.50 on each side

11.25/4.5 = 4.5x/4.5

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