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aleksandr82 [10.1K]
2 years ago
15

An amusement park sells adult tickets with adults costing $5 and children's costing $3. If Ed bought 15 tickets and spent a tota

l of $57 dollars how many tickets did he buy
Mathematics
1 answer:
Kaylis [27]2 years ago
7 0

Answer:

The answer is x=9

Step-by-step explanation:

y = adult tickets

x = children tickets

----------------------------------

x + y = 15

3x + 5y = 57

----------------------------------

-3x - 3y = -45

3x + 5y = 57

----------------------------------

2y = 12

----------------------------------

y = 6

----------------------------------

x + 6 = 15

----------------------------------

x = 9

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