Question

If m = 7 and n = -5, verify that m2

– n

2

= (m + n)(m – n).​

Answer 1

Answer:

hm

Step-by-step explanation:

In a particular month,  

Nisha

spent  

one-fifth

of her salary on shopping.  

Two-seventh

of the remaining she gave to her sister. If she has Rs  

16

,

000

left, what was her salary in that month?