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Leto [7]
3 years ago
13

At the city museum, child admission is $5.30 and adult admission is $9.40 . On Tuesday, 140 tickets were sold for a total sales

of $1086.40 . How many child tickets were sold that day?
Mathematics
2 answers:
7nadin3 [17]3 years ago
7 0
Total tickets sold = # of kid's tickets sold + # of adult tickets sold
Total money made = amount of money kid's tickets raised + amount the adult tickets made

These can be rephrased as
140 = k + a
and
$1086.40 = $5.30k + $9.40a

Rephrase the first;
140 = k + a
a = 140 - k

Plug the equation into the first;
1086.4 = 5.3k + 9.4a
1086.4 = 5.3k + 9.4(140 - k)
1086.4 = 5.3k + 1316 - 9.4k
-229.6 = -4.1k
<span>k = 56 tickets</span>
sergeinik [125]3 years ago
5 0
C + a = 140......a = 140 - c
5.3c + 9.4a = 1086.4

5.3c + 9.4(140 - c) = 1086.4
5.3c + 1316 - 9.4c = 1086.4
5.3c - 9.4c = 1086.4 - 1316
-4.1c = - 229.6
c = -229.6 / -4.1
c = 56......so their were 56 child tickets sold
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First, ask yourself, "How many times does 23 go into 61?" which is the same thing as 61 divided by 23.

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Bring down the 8 to get 218. 218 divided by 23 equals 9 (well, not exactly, but you get what I mean). 23 times 9 equals 207. 218 minus 207 equals 11.

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Keep doing this until you get your final answer, which I already gave you at the top to double check. When you reach the last number of 61,986 (which is 6), go into the decimal place and keep on working from there.

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