See picture for solution to your problem.
X=1,y=1
1 )4x+2y=6
2 ) x -y=3
2(x2) ) 2x - 2y=6
C: is the speed of light (3*10^8 m/s) and it is squared (raised to the power 2) in this equation.
Look up math way and type it in its free and it will help alot.
The answer:
8 times
Explanation:
If you divide 168 by 20, you get 8.4, and the whole number is 8 so that’s the answer.
