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Mekhanik [1.2K]
3 years ago
15

if the ticket price to the museum was $15 last year and $30 this year what is the percentage increase in tickets price in last 1

yearif the ticket price to the museum was $15 last year
Mathematics
2 answers:
guapka [62]3 years ago
7 0
The percentage increase would be bey 100%
Darya [45]3 years ago
6 0

The percentage of increase is 100%. Let me know if you need an explanation.

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Fynjy0 [20]
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8 0
3 years ago
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Solve the system..???​
11Alexandr11 [23.1K]

Answer:

x = 1

y = 2

z = - 3

Step-by-step explanation:

z=-2+3x - 2y Rearrange: x + 4y3z = 18 2xy-3z9 Substitute into one of the equations:

[x+4y-3(-2+ 3x – 2y) = 18

2x-y-3(-2+3x-2y) = 9

Apply Multiplicative Distribution Law: x + 4y + 6-9x+6y=18

[2x-y+6-9x+6y=9 Rearrange unknown terms to the left side of the equation: x + 4y - 9x+6y= 18-6 2xy +6 9x+6y=9

Calculate the sum or difference:

x + 4y - 9x+6y= 12

2xy + 6-9x+6y=9

Combine like terms: -8x+10y = 12 -7x+5y+6=9 Reduce the greatest common factor on both sides of the equation: - 4x + 5y = 6 -7x + 5y + 6 = 9 Rearrange unknown terms to the left side of the equation: -4x + 5y = 6 -7x + 5y = 9-6

Subtract the two equations: -4x+5y-(-7x

+5y)= 6-(9-6)

Remove parentheses: - 4x + 5y + 7x - 5y = 6

−9+6

Cancel one variable: - 4x + 7x = 6 - 9 + 6 Combine like terms: 3x = 6 - 9 + 6

Calculate the sum or difference: 3x = 3 Divide both sides of the equation by the coef

ficient of variable: x = 3/3 Calculate the product or quotient: x = 1 Substitute into one of the equations: -4+5y = 6

Rearrange unknown terms to the left side of the equation: 5y = 6 + 4 Calculate the sum or difference: 5y = 10 Divide both sides of the equation by the coef ficient of variable: y = 10/5 Calculate the product or quotient: y = 2

The solution of the system is:

x = 1

y = 2

Substitute into one of the equations:

z = - 2 +3-2x2

Calculate the product or quotient:

z = - 2 + 3 - 4

Calculate the sum or difference:

z = 1 - 4

Calculate the sum or difference:

z = - 3 x = 1 y = 2 -3

The solution of the system is:

x = 1

y = 2

z = - 3

6 0
3 years ago
Read 2 more answers
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