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wolverine [178]
3 years ago
8

I need help with this question Help needed!!!!!!

Mathematics
1 answer:
Bogdan [553]3 years ago
4 0

Answer: c

Step-by-step explanation:

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Kelly needs to order lunch for orders 6 people at a business meeting. Her menu choices are chicken salad for a cost of $5 per pe
nirvana33 [79]
Ok , with that information we can write the equations
x + y = 6
5x + 4y = 28

Where x = how many people ordered chicken
and y = how many people ordered egg salad

Through elimination , we can set one of the variables in both equations equal so we can eliminate it :

(4)x + (4)y = (4)6
5x + 4y = 28

4x + 4y = 24. equation 1
5x + 4y = 28. equation 2

Now we can subtract the second equation by the first equation and isolate one variable:
equation 2 - equation 1

5x - 4x + 4y - 4y = 28 - 24

x = 4

Now that we discovered our x value ( How many people ordered chicken salad ) , we can apply it to one of the equations and discover y ( how many people ordered egg salad)

x + y = 6
x= 4
4 + y = 6

We can shift 4 to the other side of the equation by subtracting 4 from both sides of the equation:
4 - 4 + y = 6 - 4
y = 2

x=4 and y=2

So the awnser is :
4 people ordered chicken salad and 2 people ordered egg salad!

I hope you understood my brief explanation!!

p.s if you want to know how to use another method to solve these problems ( Substition) , just let me know in a comentary down here
5 0
3 years ago
HELP!!!!!!!!!!!!!!!!!!!!! What is the product of –3 and 5? -15 -8 8 15
m_a_m_a [10]

Answer:

-15

Step-by-step explanation:

Trust

6 0
3 years ago
Read 2 more answers
How to find the price of something before a discount?
LuckyWell [14K]
Discount prices/the discount
E.g.the new price of the book is 75 which has a discount of 75%
The original price = 75/0.75=100
6 0
2 years ago
I Need Help ASAP
Leya [2.2K]

Answer:

I'm not sure what the answer is but, I'm thinking the answer w

6 0
2 years ago
Read 2 more answers
Answer to be marked as brainlist
zimovet [89]

Answer:

The SF is 3

Step-by-step explanation:

The sides are 3x the length of the sides of ∆ABC

4 0
2 years ago
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