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Ivenika [448]
3 years ago
11

Solve for u -5(-5u+5)-8u=5(u-5)-4

Mathematics
1 answer:
sergij07 [2.7K]3 years ago
3 0

- 5( - 5u + 5) - 8u = 5(u - 5) - 4

25u - 25 - 8u = 5u - 25 - 4

17u - 25 = 5u -29

17u - 5u =  - 29 + 25

12u =  - 4

u =   \frac{ - 4}{12}

u =  -  \frac{1}{3}

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A deli is offering two specials. The roast beef special gives a profit of $2.30 per sandwich, and the turkey special gives a pro
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Answer:

The constraints are as follows;

1) 2·x + 2·y ≤ 120

2) 3·x + 4·y ≤ 160

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Step-by-step explanation:

The question is a word problem, with the analysis as follows;

The profit from the roast beef special per sandwich = $2.30

The profit from the turkey special per sandwich = $3.10

The number of slices of bread in the roast beef special = Two slices

The number of slices of cheese in the roast beef special = Three slices

The number of slices of bread in the turkey special = Two slices

The number of slices of cheese in the turkey special = Four slices

The number of slices of bread the deli has  = 120 slices

The number of slices of cheese the deli has = 160 slices

Let 'x' and represent the number of roast beef special and 'y' represent the number of turkey special the deli makes, then we have the constraints as follows;

For the number of slices of bread used;

2·x + 2·y ≤ 120...(1)

For the number of slices of cheese used;

3·x + 4·y ≤ 160...(2)

x = 2.30

y = 3.10

The profit 'P' is given by the following equation

P = 2.3·x + 3.10.

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Step-by-step explanation:

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