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arsen [322]
3 years ago
14

Oranges are $1.23 a pound. I bought 9 pounds. How much did it cost?

Mathematics
1 answer:
Natasha_Volkova [10]3 years ago
3 0
9 times 1.23 equals $11.07 so it cost $11.07
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HELP ME FIND X AND Y: 2x = 4y + 6 and 3x - y = -1
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Answer:

x = -1

y = -2

Step-by-step explanation:

To get y by itself:

3x - y = -1

-y = -1 - 3x

y = 1 + 3x

Solve for x with substitution:

2x = 4(1 + 3x) + 6

2x = 4 + 12x + 6

2x = 10 + 12x

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Plug the x value into 3x - y = -1

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-3 - y = -1

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What are the units for the variable in the following scenario?
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Answer:

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Step-by-step explanation:

There is some mistake in question so the correct question is:

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Now, to find the grocery bill.

As the units are given:

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<em>51¢ per orange.</em>

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Thus, the cost of 6 apples = $2.58

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Thus the cost of 4 oranges = $2.04

Now, to get the total grocery bill we add the cost of apples and oranges:

\$2.58+\$2.04

=\$4.62

Therefore, her grocery bill was $4.62.

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