First things first, you will have 94 + x. Place those on top of a fraction bar and on the bottom put the two numbers over 2. So you have 94 + x over 2. Then, write the symbol ‘greater than or equal to’ and on the other side place your 90. So, 90 + x over 2 is greater than or equal to 90. This is a difficult thing to write out and explain so I hope this makes sense. :)
Answer:

Step-by-step explanation:
0.08*x+0.03*(29000-x)<span> </span>
Answer:
K = 4/9
Step-by-step explanation:
$ 45
multiply 60x.75 = 45