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meriva
3 years ago
10

If you can buy 2/3 of a box of chocolate for five dollars how much can you purchase for 4 dollars

Mathematics
2 answers:
german3 years ago
8 0

Answer:

8/15

Step-by-step explanation:

You can buy 1/3 for 2.5 dollars

You can buy 1 for 7.5 dollars

You can buy 1/6 for 1.125

Lisa [10]3 years ago
6 0

Hi,

First calculate how much chocolate for 1 dollar.

\frac{2}{3} = 0.67 \\ 0.67 \div 5 = 0.134

Then multiply by four to get amount of chocolate for four dollars.

0.134 \times 4 = 0.536

Answer: 0.536

Hope this helps.

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An equation is shown below. 12 – 6(w – 3) = 3(– 5 – 3w) + 21 Enter the solution of w for this equation.
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<span>Simplifying
12 + -6(w + -3) = 3(-5 + -3w) + 21

Reorder the terms:
12 + -6(-3 + w) = 3(-5 + -3w) + 21
12 + (-3 * -6 + w * -6) = 3(-5 + -3w) + 21
12 + (18 + -6w) = 3(-5 + -3w) + 21

Combine like terms: 12 + 18 = 30
30 + -6w = 3(-5 + -3w) + 21
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30 + -6w = (-15 + -9w) + 21

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Solving
30 + -6w = 6 + -9w

Solving for variable 'w'.

Move all terms containing w to the left, all other terms to the right.

Add '9w' to each side of the equation.
30 + -6w + 9w = 6 + -9w + 9w

Combine like terms: -6w + 9w = 3w
30 + 3w = 6 + -9w + 9w

Combine like terms: -9w + 9w = 0
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Add '-30' to each side of the equation.
30 + -30 + 3w = 6 + -30

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Combine like terms: 6 + -30 = -24
3w = -24

Divide each side by '3'.
w = -8

Simplifying
w = -8</span>
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3 years ago
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