RU is 34. To find the answer you can use a proportion. In this problem the proportion would be 60/51 = 40/x. You can then cross multiply giving you 51*40=60x. You can then solve for x which is your answer.
58 if you add the two numbers then subtract the answer from 180 that’s the answer
You would do 24 times 3 and get 72 or divide 24 by 1/4=0.25