AREA= 1/2 BASE * HEIGHT
9/10 = 1/2x*3/5
x= 9/10*10
x=9
Thus, the base is 9
A because they are parallel and equal
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:
I believe its $56... 280*.20=56
Step-by-step explanation: