Answer:

Explanation:
The question in English is
Heni placed in a bank the amount of Rp. 3,000,000.00. After five months, she had a total of Rp. 3,258,750.00.
How much money will Heni have after 2.5 years?
step 1
Find the rate of interest
we know that
The simple interest formula is equal to

where
A is the Final Investment Value
P is the Principal amount of money to be invested
r is the rate of interest
t is Number of Time Periods
in this problem we have

substitute in the formula above

![r=[(3,258,750/3,000,000)-1]\(5/12)](https://img.qammunity.org/2021/formulas/mathematics/middle-school/7d8j0fnb5p81rw510crj0779engtxxa9ev.png)

step 2
For t=2.5 years

