Answer:
a=4.2
Step-by-step explanation:
The constant is 1.4 bc if u divide the numbers in y with the x that corresponds them, it will be 1.4
ex. 2.80 divided by 2 is 1.4
ex. 5.60 divided by 4 is 1.4
This means that
2×1.4 is 2.80
4×1.4 is 5.69 so
3×1.4 is 4.2
