The answer will be for every x, y will be 1.25
We need the exponents law

So if
a=3
b=1/2
then

where x represent every half a year.
Answer:
B
Step-by-step explanation:
The line is running only across coordinate points with an x coord of 2
1:5= 1/5 x 20/20= 20/100
20/100= 0.20
The bag contains 20% of pink marbles.