FIND.......16 2/3 % of 96 lamps
1 answer:
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The cost of adult ticket is $7 and child ticket is $4.
Step-by-step explanation:
Let,
Price of one adult ticket = x
Price of one child ticket = y
According to given statement;
2x+7y=42 Eqn 1
3x+11y=65 Eqn 2
Multiplying Eqn 1 by 3
Multiplying Eqn 2 by 2
Subtracting Eqn 3 from Eqn 4
Putting y=4 in Eqn 1
Dividing both sides by 2
The cost of adult ticket is $7 and child ticket is $4.
Keywords: linear equation, elimination method
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