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yarga [219]
3 years ago
5

Problem 3

Mathematics
1 answer:
In-s [12.5K]3 years ago
5 0
Third option, Quadratic
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Your family goes to a Southern-style restaurant for dinner. There are 7 people in your family. Some order the chicken dinner for
butalik [34]

Answer:

a) 4 people ordered streak dinner

b) 3 people ordered chicken dinner

Step-by-step explanation:

Let the number of people that ordered steak dinner be x

and the number of people that ordered chicken dinner be y

From the question,

There are 7 people in your family

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x + y = 7 ...... (1)

Also from the question

Some order the chicken dinner for $13 and some order the steak dinner for $18 and the total bill was $111.

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From equation (1)

x + y = 7

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x = 7 - y ...... (3)

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-5y = -15

5y = 15

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Put the value of y into equation (3) to get x

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x = 4

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and 3 people ordered chicken dinner

a) 4 people ordered streak dinner

b) 3 people ordered chicken dinner

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3 years ago
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