Answer:
it's 7
Step-by-step explanation:
this needs to be 20 characters long
No you can't multiplying by two I 's basically adding up two numbers till you get it
Answer:
9
Step-by-step explanation:
cross multiply 7/63 by 1/x
so, multiply 7 by x and 63 by 1
you get 63=7x
divide by 7 on both sides and you get 9
The answer is k=<span>160..............</span>