Answer:
n = 2b + 4
Step-by-step explanation:
4 years older = +4
2 times his brother = 2b
n= 2b+4
i need help please with my maths
Check this attachment
1100
55100=1100 x 55100
=1100x
Hope it is helpful...
1. 1
2. 1
3. -1/125
4. 1/125