Answer:
12
Step-by-step explanation:
2/3 x + x = 20
2/3 x + 3/3x = 20
5/3 x = 20 ... times 3/5 both sides
x = 12
check: 2/3 x 12 + 12 = 8 + 12 = 20
Answer:
Yes
Step-by-step explanation:
The notes are in the proportion of 3:2 since
3/2x30/30=90/60
3/2x40/40=120/80
I think it is D hope it works
Step-by-step explanation:
complete the number line
So multiple the largest eastern city by the smallest eastern city so 305 - 90
Then do the same for the western cities so 503 - 47
Now subtract the results to find the difference in the range of eastern vs western cities