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2 years ago

3 − 4y = 5x − 6, then y =

Mathematics

1 answer:

Naya [18.7K]2 years ago

8 0

Answer:

y = (5x – 9) ÷ (–4)

Step-by-step explanation:

3 − 4y = 5x − 6

–3 –3
–4y = 5x – 9

÷(–4) ÷(–4)

y = (5x – 9) ÷ (–4)

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Answer:

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Step-by-step explanation:

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3 years ago

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Chef plans to serve 4.5 oz. steaks to 180 Guests. How many POUNDS only of raw steak should Chef order if Waste (trimming and coo

kotegsom [21]

Answer: Option 'c' is correct.

Step-by-step explanation:

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Number of ounces steaks = 4.5 oz

Number of guests = 180

Percentage of waste = 25%

Number of ounces of fresh steak is given by

$4.5\times 180\\\\=810\ oz$

Let the number of ounces of raw steak be x.

According to question,

$\dfrac{100-25}{100}\times x=810\\\\\dfrac{75}{100}\times x=810\\\\0.75\times x=810\\\\x=\dfrac{810}{0.75}\\\\x=1080\ oz$

As we need in pounds, and we know that

1 pound = 16 ounces

So, Number of pounds of raw steak that Chef could order is given by

$\dfrac{1080}{16}=67.5\ lbs$

Hence, Option 'c' is correct.

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3 years ago