Answer:x=1, y=2, z=-1
Step-by-step explanation:
1st of all, this makes my brain hurt
2nd of all, which one was the first marble?
Answer:
24:5
Step-by-step explanation:
4 yards is 3 feet, so 4*3=12. There are 12 inches in a foot, so 12*12=144. 144:30= 72:15 = 24:5