Answer:
12
Step-by-step explanation:
194-50=144
144/12=12
Answer:
k ≥ -18
Step-by-step explanation:

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.
With mental math, you can perform equations quickly and efficiently. They also help you to develop your own strategies and solve more complex math equations. Hope this helps;)
Answer:
Step-by-step explanation:305,464