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3 years ago

12

If any one could please help

2 answers:

PilotLPTM [1.2K]3 years ago

6 0

The answer is 3 I believe

yKpoI14uk [10]3 years ago

3 0

Answer:

I believe it’s the 3rd option but I’m not completely confident

Step-by-step explanation:

who am I kidding I’m never confident lol

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Step-by-step explanation:

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2 years ago

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The zurassic zoo charges $11 each for adult admissions and $4 each for each child. The total bill for the 138 people from a scho

LenaWriter [7]

The number of adults = 41

The number of children = 97

Step-by-step explanation:

Let x be the number of adults and

y be the number of children

then according to the given conditions

$x+y = 138\ \ \ Eqn\ 1\\11x+4y = 839\ \ \ Eqn\ 2$

From equation 1:

x = 138-y

Putting in equation 2

$11(138-y)+4y = 839\\1518-11y+4y = 839\\1518 -7y = 839\\-7y = 839-1518\\-7y = -679\\$

Dividing both sides by -7

$\frac{-7y}{-7} = \frac{-679}{-7}\\y = 97$

Putting y = 97 in equation 1

$x+ 97 = 138\\x = 138-97\\x = 41$

Hence,

The number of adults = 41

The number of children = 97

Keywords: Linear equations variables

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3 years ago