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tangare [24]
3 years ago
15

Solve: -5y- 9 = -(y - 1)

Mathematics
2 answers:
Bezzdna [24]3 years ago
8 0

exact form

y =  -  \frac{9}{2}

decimal form

y = -  4.5

mixed number form

- 4 \frac{1}{2}

RoseWind [281]3 years ago
6 0

Answer:

Exact Form:

y=-\frac{5}{2}

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Answer:

The total cost of 1 belt and 1 tie is $13 and $39 respectively.

Step-by-step explanation:

Given that,

The cost of 4 belts and 5 ties is $247.

Each tie costs 3 times as much as a belt.

Let the cost of a belt is x and that of a tie is y.

ATQ,

4x + 5y = 247 ...(1)

y = 3x ....(2)

Put the value of y from equation (2) in equation (1)

4x + 5(3x) = 247

4x + 15x = 247

19x = 247

x = 13

Put the value in equation (2)

y = 3x

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So, the total cost of 1 belt and 1 tie is $13 and $39 respectively.

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3 years ago
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Answer:

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