2 years ago

10 POINTS 8TH GRADE MIDDLE SCHOOL MATH

Mathematics

1 answer:

Dominik [7]2 years ago

7 0

Answer:

first one is the answer to this

Step-by-step explanation:

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Find the new amount of the original amount is 45 grams and the percent of decrease is 36%.

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Answer:

28.8

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John is selling tickets to an event. Attendees can either buy a general admission ticket, x,

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John sold 18 general admission tickets and 11 VIP tickets.

Step-by-step explanation:

Given,

Cost of each general admission = $50

Cost of each VIP ticket = $55

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Total revenue generated = $1505

Let,

x represent the number of general admission tickets sold

y represent the number of VIP tickets.

x+y=29 Eqn 1

50x+55y=1505 Eqn 2

Multiplying Eqn 1 by 50

$50(x+y=29)\\50x+50y=1450\ \ \ Eqn\ 3$

Subtracting Eqn 3 from Eqn 2

$(50x+55y)-(50x+50y)=1505-1450\\50x+55y-50x-50y=55\\5y=55$

Dividing both sides by 5

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Putting y=11 in Eqn 1

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John sold 18 general admission tickets and 11 VIP tickets.

Keywords: linear equation, elimination method

Learn more about elimination method at:

#LearnwithBrainly

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