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stepladder [879]
3 years ago
8

Seventeen members of Tim's family are going to an amusement park during the week of their family reunion. Adult tickets cost $34

each and child tickets cost $31.50 each. If the total cost for admission to the part is $558, how many adults went to the park? a 7 b 8 c 9 d 10
Mathematics
1 answer:
baherus [9]3 years ago
7 0

Answer:

c.

Step-by-step explanation:

Let x be the number of adults in Tim's family. Then (17 - x) is the number of children in Tim's family.

We have $34x + $31.5(17 - x) = $558.

$34x + $31.5(17 - x) = $558

$34x + $535.5 - $31.5x = $558

$2.5x = $22.5

x = 9

Hence the answer is c.

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