9 = -7-2y
9 +7=16
16/-2 -2y/-2
-8 = y
An example of a ratio would be:
1:2
3:4
5:6
An example of a proportion would be:
1/2
3/4
5/6
Hope this helps!
Answer:
this doesn't look fun.
Step-by-step explanation:
Subtract to find the difference:
2000 - 500 = 1500
Divide the difference by the original population:
1500 / 500 = 3
Multiply that by 100 to get the percentage:
3 x 100 = 300%