Answer:
Step-by-step explanation:
Answer:
Step-by-step explanation:
its a
Every year, the price of the smartphone is the 
of the price of the previous year (since we lose the 
, we remain with the ).
Since can be written as 
, the price after one year will be
After two years, the price is the of the price after one year:
And so on: after three years we have
So, the answer is somewhere between three and four years.
Answer:
17
Step-by-step explanation:
let x be the number of boxes to be shaded to make it 80%
x = 80% of total number
= 80/100 of 25
= 80/4
= 20
So 20 need to be shaded to fill 80%
Now, 13 of the grids are already shared so the amount of more squares that need to be shaded = 20-13
= 17 squares
Provide electricty is the answer because if you use elec
