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enot [183]
3 years ago
9

The ticket one is the one I need help on

Mathematics
1 answer:
zvonat [6]3 years ago
4 0
X = cost of children's ticket
x +3 = cost of adults tickets

100x + 200(x+3) = 2100
100x + 200x + 600 = 2100
300x = 1500
     x = 5

answer
children ticket costs $5
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The difference of the present ages of two sister in 5 yrs
Gekata [30.6K]

Answer:

4 and 9

Step-by-step explanation:

let their ages be x and x - 5, then in 4 years their ages will be

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x² + 3x - 4 = 104 ( subtract 104 from both sides )

x² + 3x - 108 = 0 ← in standard form

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x + 12 = 0 ⇒ x = - 12

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Step-by-step explanation:

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2 years ago
For a school fundraiser students are selling snack bags and candy bars to raise money on Wednesday the students or 23 snack bags
meriva

Answer:

$1.75

Step-by-step explanation:

The selling for each candy bar may be determined by  a set of linear equations. This pair of linear equations may be solved simultaneously by using the elimination method. This will involve ensuring that the coefficient of one of the unknown variables is the same in both equations.

It may be solved by substitution in that one of the variable is made the subject of the equation and the result is substituted into the second equation .

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3 0
3 years ago
Mina tossed two number cubes labeled 1 to 6.What is the probability that the sum is equal to 5
julsineya [31]
You can get a 5 this many ways.
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Of those ways 4 are successful
4/36 = 1/9 <<<< Answer.
B <<<< answer
4 0
3 years ago
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