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Mitch and his friends are planning a trip to the Tsunami Springs water park. The employee Mitch spoke to on the phone said the total cost for all 7 of them would be $154. This includes an entrance ticket and a $5 tube rental fee for each person. What is the cost of an entrance ticket

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nprocks958

Answer:

Entrance ticket is $17.

Explanation:

Using a expression we can see the costs.

E - Entrance Ticket

T - Tube rental fee

7E + 7T = 154

Substitute T for the $5 that we know is the cost for tube rental.

7E + 7(5) = 154

7E + 35 = 154

       -35   -35

7E = 119

/7     /7

E =  $17