Ming took a cab across town his fare was 22 and he leaves an 18% tip

Prove that the sum of two consecutive exponents of the number 5 is divisible by 30.if two consecutive exponents are 5n and 5n + 1, then their sum can be written as 30.

Answer for 15 points (look at the image)

Based on the calculations you did using the law of sines, did you make a good choice for which ladder to use? why or why not?