Algebra exponent - increasing by 20%

[victorwen28]

Hailey has begun a fitness program. The first week she ran 1 mile every day. Each week she increases the amount that she runs each day by 20%. In week 10, how many miles does she run each day? Give your answer to the nearest mile.

[Guest]

Search in goolge for compound interest formula.


The formula is:
[tex]A_n = A(1 + %)^n[/tex]
Where A = 1 mile
% is 0.20
n = 10 - number of weeks

Is it clear?