Answer:
x+3x=140000
x=35000
in 2015, they earned 35000
in 2016, they earned 105000
Step-by-step explanation:
3
D = sqrt[ (2-4)^2 + (7- (-1))^2] = ~8.2
D = sqrt[ (Fx-Gx)^2 + (Fy- Gy)^2]