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3 years ago

Select the correct answer.

Mathematics

1 answer:

Helen [10]3 years ago

5 0

Answer: Your answer is A they gained 2 yards.

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mylen [45]

The cafeteria sold 41 corn chips and 80 potato chips.

Step-by-step explanation:

Let,

Corn chips = x

Potato chips = y

Price of corn chips = $0.80

Price of potato chips = $0.60

According to given statement;

x+y= 121 Eqn 1

0.80x+0.60y=80.80 Eqn 2

Multiplying Eqn 1 by 0.80

$0.80(x+y= 121)\\0.80x+0.80y=96.80\ \ \ Eqn\ 3$

Subtracting Eqn 2 from Eqn 3

$(0.80x+0.80y)-(0.80x+0.60y)=96.80-80.80\\0.80x+0.80y-0.80x-0.60y=16\\0.20y=16$

Dividing both sides by 0.20

$\frac{0.20y}{0.20}=\frac{16}{0.20}\\y=80$

Putting y=80 in Eqn 1

$x+80=121\\x=121-80\\x=41$

The cafeteria sold 41 corn chips and 80 potato chips.

Keywords: linear equation, subtraction

Learn more about linear equations at:

#LearnwithBrainly

5 0

4 years ago

Can the three values represent the sides of a triangle?

Pepsi [2]

no the square root of 113 is rounded to 56x2

3 0

3 years ago

Which of the following sets of ordered pairs is a function?

mr Goodwill [35]

Answer:

Step-by-step explanation:

in order to be a function, the x value cannot repeat itself. C is the only one where x value doesn't repeat.

3 0

3 years ago

4x - 5 = 2 - x<br> solve the equation

larisa [96]

the answer will be 7/5

7 0

4 years ago

Read 2 more answers

Chain emails are emails with a message suggesting you will have good luck if you forward the email on to others.

Flauer [41]

Answer:

a. f(n)=3(to the power of n)+1

n is the number of days, day one being when the student sent it to 3 others

the plus one is the one student

8 0

3 years ago