Question

Kerry gave 35% of her salary to her mother. Her mother kept 40% of the sum she was given and spent the rest. What percentage of Kerry’s salary had her mother spent?

Answer 1

Answer:

21%

Step-by-step explanation:

Kerry's salary = x

Amount given to her mother = 35% of x = 0.35x

Percentage of Kerry's salary spent by her mother = (100-40)% of 0.35x

     = 60% of  0.35x

     = 0.6 * 0.35x

     = 0.21x

     $=\dfrac{21}{100}x$

     = 21% of x

     =21 % of Kerry's salary