Answer:
36 pounds
Step-by-step explanation:
so J:Y = 3:4
63 divided by 3 is 21
and 4 times 21 is 84
So we know that there's 84 pounds of grain in bin Y
Then we do the same thing to the Y:Z ratio, which is 7:3
84 divided by 7 is 12
and 3 times 12 is 36
