80 * 250 =20,000
The iPod can hold 250 songs per gigabyte.
Given:
Amount = Rs. 34476
Rate of compound interest = 4%
Time =
years
To find:
The principal value.
Solution:
Formula for amount is

Where, P is principal value, r is rate of interest and t is time in years.
Putting the given values, we get




Now,


Therefore, the value of sum or principal value is Rs.31256.
16--(3) $17
17--(3) $64
18--(2) $18
Y=3x+4 beacause the slope is m and b is the y-intercept