21.9089 is the geometric mean..
Step-by-step explanation:
Rotation would be the best answer
The tax rate is 5%
Hope this helps!
To solve this problem you have to convert the percentage to a decimal which would
be .40.
40% =40/100=.40
After doing so all you need to do is divide the amount needed by the percentage which gives you the amount she has saved.
225/.40= $90
Lauren has $90 saved
