Answer:
7 months
Step-by-step explanation:
Given: Veronica is saving money to buy a saddle for her horse that cost . She plans to save the first month and then increase the amount she saved by each month after the first month.
To Find: How many month will it take her to save .
Solution:
Amount veronica has to save for buying saddle
Amount increased every month
Amount saved by veronica in first month
Amount saved by veronica in first month
Amount saved by veronica in first month
Therefore this forms as Arithmetic progression,
Let month it take to save by veronica is
Sum of terms in AP is
Putting vales in equation
As number of months can not be negative,
Hence the it will take month for veronica to save for saddle.