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slavikrds [6]
3 years ago
7

Help please!!!!!!!!!!

Mathematics
1 answer:
adelina 88 [10]3 years ago
8 0

Answer:

Senior citizen: $9

Child: $11

Step-by-step explanation:

To solve this problem, we can use system of equations. Let's use x for senior citizen tickets and y for child tickets.

Equation 1: 7x+12y=195

Equation 2: x+13y=152

We can use substitution method to solve. There are also many other methods we can use. Substitution is only one of them. Let's solve for x in Equation 2.

x+13y=152                           [subtract both sides by 13y]

x=152-13y                

Now that we have x, we can plug it into Equation 1 and solve for y.

7(152-13y)+12y=195           [distribute by FOIL]

1064-91y+12y=195             [combine like terms]

1064-79y=195                    [subtract both sides by 1064]

-79y=-869                           [divide both sides by -79]

y=11

Now, we know that there are $11 of child tickets. To find x, we can plug y into any equation.

x+13y=152                           [plug in y=11]

x+13(11)=152                        [multiply]

x+143=152                           [subtract both sides by 143]

x=9

Now, we know that a senior citizen ticket is $9 and child ticket is $11.

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The commission would be $2095.

Step-by-step explanation:

Given,

Commission on first $1000 = 7%

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Keywords: percentage, subtraction

Learn more about subtraction at:

  • brainly.com/question/10387593
  • brainly.com/question/10402163

#LearnwithBrainly

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Step-by-step explanation:

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