3(34+6)=90
add 34 and 6 together in the parenthesis and then multiply the sum by 3.
Let the price at which she sells the hi-fi set be x ~

The Money that she lose at the end of 2 years :
Loss percentage is equal to :
So, the money she end up getting after selling that hi-fi set is 2500, that is also the money She have at the end of the two years ~

Answer:that’s a tough one
Step-by-step explanations just need some credit on brainly