Answer:
658.24 m
Step-by-step explanation:
Let A be the point from where Elton started. Connect points A and C, you get triangle ABC with AB=500 m, BC=350 m and m∠B=100°. Use the cosine rule to determine the length of the segment AC:

I would help but i don’t see a figure
To solve this problem, we know from the statement that Initially, the club has $ 152050 in its bank account.
To know the amount of money you want to reserve for the trip, multiply the initial amount by 0.28.
So, we have:
$ 1,520.50 * 0.28 = $ 425.74
Finally, the club will reserve $ 425.74 from its bank account to travel.