5.4x10^11 metres per second or 540,000,000,000 metres per second
Step-by-step explanation:
Since there is 2 unknown variable ,
so we need 2 equation to find their values.
1) 10 3/10
3) 2 1/2
4) 10 2/3
6) 6 1/2
7) 4 3/4
9) 1 8/9
10) 1 5/6
The answer to the question is 52