# Algebra exponent - increasing by 20%

### Algebra exponent - increasing by 20%

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.

victorwen28

Posts: 1
Joined: Thu May 10, 2012 10:47 pm

### Re: algebra exponent

Search in goolge for compound interest formula.

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

Is it clear?
Guest