2 years ago

Marcia spent $11.07 for 4.5 pounds of apples. What was the cost per pound (for one pound)?

1 answer:

atroni [7]2 years ago

8 0

The cost per pound was roughly $0.41.

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KonstantinChe [14]

2x-3(0)=12
2x=12
x=6
(6,0)

2(0)-3y=12
-3y=12
y=-4
(0,-4)

2x-3(2)=12
2x-6=12
2x=18
x=9
(9,2)

ANSWERS: (6,0) (0,-4) (9,2)

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3 years ago

DerKrebs [107]

15/20 = 0.75

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Marina CMI [18]

Hey there!

$5c - 4 = 7 - \dfrac{4 - c}{3} \\ 15c - 12 = 21 - 4 + c \\ 14c = 29 \\ c = 2 \dfrac{1}{14}$

Hope this helps. - M

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3 years ago

Vlada [557]

So this is asking the cube root of -27 then squared.
Cube root of -27=-3
And -3^2=9

So I believe your answer is 9

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3 years ago