500+(x115)=2685
the 500 is the money the club is putting towards the trip. the x is the number of club members. the 115 is the cost each member will pay to go on the trip.
subtract 500 from each side leaving you with
(x115)=2185
divide each side by 115
x=19
there are 19 club members going on the trip.
Answer:

Step-by-step explanation:
<u>Step 1: Find the square root</u>
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Answer: 
130 + 110 = 240 degree celcius difference between high and low temperature