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4 years ago

HELP! 7th grade math! GIVE CORRECT ANSWER AND YOU WILL GET BRAINLIEST!!

Mathematics

2 answers:

vodomira [7]4 years ago

8 0

third answer choice yw if im right

Gwar [14]4 years ago

5 0

Answer:

3RD choice

Step-by-step explanation:

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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

Solve 5(2x + 4) = 15. Round to the nearest thousandth.

iVinArrow [24]

Answer:

-1/2 or -0.5

Step-by-step explanation:

5(2x+4)=15

10x+20=15

10x=-5

x=-5/10

x=-1/2

6 0

3 years ago

Read 2 more answers

Someone ran 2km someone else ran 3,500 what would be that combined

Marysya12 [62]

Answer:

5500 meters my dude

3 0

4 years ago

Please help thank you!!

kvv77 [185]

Answer:

Irrational

Step-by-step explanation:

6 0

3 years ago

Quadrilateral CDEF is reflected across the x-axis and translated 3 units left to create quadrilateral GHJK .

PilotLPTM [1.2K]

Answer- KG⎯∥JH⎯

the given figure is a trapezium in which CF||DE

Reflection of figure CDEF and shifting it by 3 units does not change the shape of the figure but changes only its position in the x-y plane.

so, the shape of the figure GHJK will be same as that of CDEF.

so sides, KG⎯∥JH⎯

6 0

3 years ago