The answer is 90 because 360/4 (since it is a quadrilateral) is 90 degrees
1:3 can be another ratio of black fish to white fish
Take half of the coefficient on the x term
Step-by-step explanation:
.......................................................... (2×3)+(6×3)
So if you are solving for x we have to do this
4x+6=2x+10
4x-2x=10-6
2x=4
x=4/2
x=2
