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PSYCHO15rus [73]
3 years ago
15

Rico bought 3 adult tickets and 5 child tickets for a total of $50.

Mathematics
1 answer:
aliina [53]3 years ago
4 0

Step-by-step explanation:

3x + 5y = 50

x + 5y = 31

use substitution

x = 31-5y

3(31-5y) +5y = 50

93 -15y + 5y = 50

93 - 10y = 50

--10y = -43

y = 43/10 = $4.30 for kids

now solve for x

x + 5(4.30) = 31

x + 21.5 = 31

x = $9.5 for adults

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