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AVprozaik [17]
3 years ago
13

One pound of gummy bears costs $2.20. How much does 1.6 pounds cost?

Mathematics
1 answer:
vladimir1956 [14]3 years ago
8 0
You have to multiply 2.20 x 1.6 = 3.52 

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Steven wants to buy a $565 bicycle. Steven has no money saved, but will be able to deposit $30 into a savings account when he re
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A stadium has 45,000 seats. Seats sell for $28 in Section A, $24 in Section B, and $20 in Section C. If section C held 300 fewer
White raven [17]

Answer:

Let's define the variables:

A = number of seats in section A.

B = number of seats in section B.

C = number of seats in section C.

We have the equations:

A + B + C = 45,000.

C - 300 = B/2

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This is a system of equations, the first step to solve this is to isolate one variable in one of the equations, and then replace it in the others.

I will isolate C in the second equation:

C = B/2 + 300.

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A + B*(3/2) = 44,700

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Now let's isolate A in the first equation:

A = 44,700 - B*(3/2)

Let's replace this in the other equation:

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Now let's solve this for B.

-B*$8 + $1,252,200 = $1,139,200

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B = $113,000/8 = 14,125

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And C = B/2 + 300 = 7362.5

As we rounded the previous one up, we should round this one down to 7362.

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Answer:

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Solve -3x - 4y = -1 for y
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