Question

20=500/(10+n) solve for n.

Answer 1

start with
\[20(10+n)=500\] and solve that one

Answer 2

20(10+n)=500
200-200+n=500-200?

Answer 3

no

Answer 4

\[20(10+n)=500\]\[200+20n=500\]
\[20n=300\]\[n=300\div 20=30\div 2=15\]

Answer 5

Thank You now i understand!