Answer:
x = 98
Step-by-step explanation:
1/40+1/50=1/n
5/200+4/200=1/n
9/200=1/n
9n=200
n=200/9 minutes for both of them to prepare the field
☺☺☺☺
I'm not sure what the ray exactly is but some examples of ray names are ray RT or ray TR. You basically switch the letters.
The answer to 6 is repeating I believe
63 m3
9×2=18
18×7=126
126÷2=63
