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Dafna1 [17]
3 years ago
11

a school band gives a year end concert. it is held in a 400 seat auditorium. each convert ticket sells for $10, and 85% of the t

ickets are sold. how much money does the band earn from the sale of tickets? show your work please
Mathematics
1 answer:
dmitriy555 [2]3 years ago
3 0
400 seats x .85 = 340 tickets sold
340 x $10 = $3,400
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Find two numbers with a sum of 20 and a difference of 14. question 13 options: 2 and 16 3 and 17 –3 and –17 4 and 18
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Salma and jared each threw 5 darts at the target shown. Salma scored 19 points by landing 2 darts in A and 3 in B.How many point
lara31 [8.8K]

Answer:

5

Step-by-step explanation:

Salma and Jared each threw 5 darts at the target shown. Salma scored 19 points by landing 2 darts in A and 3 in B. Jared scored 17 points by landing 1 dart in A and 4 in B. How many points are given for a dart landing in A?

this can be solved using simultaneous equation. Two equations can be formed from the question

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Multiply equation 2 by 2

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Subtract equation 1 from 3

5b = 15

divide both sides of the equation by 5

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Substitute for b in equation 1

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6 0
3 years ago
El precio de un ordenador portátil ha aumentado un 25% y posteriormente fue rebajado un cierto porcentaje.Calcule que porcentaje
ZanzabumX [31]

Answer:

Se requiere un 20 por ciento de descuento.

Step-by-step explanation:

(This exercise has been presented in Spanish and for that reason explanation will be held in the same language)

Sea p_{o} el precio original del computador portatil, el nuevo precio es:

p_{1} =\left(\frac{100\,\% + 25\,\%}{100\,\%} \right)\cdot p_{o}

p_{1} = 1.25\cdot p_{o}

Si p_{2} = p_{o}, entonces el porcentaje requerido para recuperar el precio original es:

r = \left(1-\frac{p_{2}}{p_{1}} \right)\times 100\,\%

r = \left(1-\frac{p_{o}}{1.25\cdot p_{o}} \right)\times 100\,\%

r = \left(1-\frac{1}{1.25} \right)\times 100\,\%

r = 20\,\%

Se requiere un 20 por ciento de descuento.

5 0
2 years ago
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