PLEASE ANSWE

The admission fee at a small fair is $1.50 for children and $4.00 for adults. On a certain day, 2,200 people enter the fair and $5,050 are collected at the ticket counter.
How many children and how many adults attended?

A.700 children and 1,500 adults
B.1,500 children and 700 adults
C. 1,650 children and 550 adults
D. 550 children and 1,650 adults

B . 1500 children and 700 adults

Step-by-step explanation:

create an equation

make use of variables:

children --x

adults --y

1.5x + 4y = 5050

x + y = 2200

now make use of the options given and place them into the equation .

lets try the first one

1.5 * (700) + 4*(1500) = 7050

lets try the second one

1.5 * ( 1500) + 4 *(700) = 5050

the answer is B.

you can check the others if you want to , so that you are able to see if you are correct. ( optional)

answer:

payment just for service  

→

$

87.12

payment for service including tax

→

$

94.09

explanation:

service only with 20% tip  

→

$

72.6

(

1

+

20

100

)

=

$

87.12

in the opening of the question the word 'service' is associated only with the pretax value.

the closing part of the question asks: how much did she pay for the  

service

−−−−−−  

so technically the answer is  

→

$

72.6

(

1

+

20

100

)

=

$

87.12

however, the intention of the question provider may have been that your answer is to be  

$

87.12

(

1

+

8

100

)

=

$

94.09

to 2 decimal places.

'

payment just for service  

→

$

87.12

payment for service including tax

→

$

94.09

tony b

mar 21, 2017

answer:

trying to explain it another way

explanation:

service charge  

.

→

$

72.60

20% tip  

20

100

×

$

72.60

=

$

14.52

−−−−−−  

←

add

$

87.12

tax  

8

100

×

$

87.12

=

$

6.97

−−−−−  

←

add

$

94.09

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the equation cos(35) =a/25 can be used to find the length of bc what is the length of bc? round to the nearest tenth

step-by-step explanation: