QUESTION IMAGE
Question
- admission to a zoo costs $10 for adults and $6 for children. a group of 29 people attending the zoo paid a total of $222 in admission fees. let x represent the number of adult tickets and y represent the number of children tickets sold. using the system of equations you found in question 5, how many adults and children went to the zoo? enter your answer in each box. adults: children:
Step1: Define las ecuaciones
Tenemos dos ecuaciones: una para el número de personas y otra para el costo total.
- Número de personas: $x + y = 29$ (donde $x$ es adultos y $y$ es niños)
- Costo total: $10x + 6y = 222$ (ya que adultos cuestan $10 y niños $6)
Step2: Resuelve la primera ecuación para y
De $x + y = 29$, despejamos $y$: $y = 29 - x$
Step3: Sustituye y en la segunda ecuación
Sustituimos $y = 29 - x$ en $10x + 6y = 222$:
$$10x + 6(29 - x) = 222$$
$$10x + 174 - 6x = 222$$
$$4x + 174 = 222$$
Step4: Resuelve para x
Restamos 174 de ambos lados:
$$4x = 222 - 174$$
$$4x = 48$$
Dividimos por 4:
$$x = \frac{48}{4} = 12$$
Step5: Encuentra y
Sustituimos $x = 12$ en $y = 29 - x$:
$$y = 29 - 12 = 17$$
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Adults: 12
Children: 17