3 years ago

I really need the answer with explanation

Mathematics

1 answer:

Finger [1]3 years ago

4 0

Answer:

A = 22 and B = 35

Step-by-step explanation:

The proportional value of x and y is simply

x times 3 1/2 = y

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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

3 years ago

PLEASE SOLVE AND CHECK

Ymorist [56]

Answer:

x^2=-10

Step-by-step explanation:

x squared equals to negative 10

3 0

2 years ago

What is the quotient when −3x3 + 5x + 14 is divided by x − 2?

ASHA 777 [7]

The answer is A. -3x2 - 6x - 7

6 0

3 years ago

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Brittany is at a restaurant. Her bill is $48 plus 15%. She gave an $100. How much did she get back?

DanielleElmas [232]

She got 44.80 dollars back

4 0

3 years ago

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The number of people estimated to vote in an election was 7,000. The actual number of people who voted was 5,600.

Inessa05 [86]

Answer:

20%

Step-by-step explanation:

7000-5600=1400

1400/7000×100=20

7 0

3 years ago

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