heni menabung di sebuah bank sebesar RP3.000.000,00.setelah lima bulan uang heni menjadi RP3.258.750,00.tentukan
b.besar tabungan heni setelah 2,5 tahun

Mohon bantuannya kaka-kaka,dengan cara2nya:)

Respuesta :

Answer:

[tex]Rp\ 4,552,500[/tex]

Step-by-step 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

[tex]A=P(1+rt)[/tex]

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

[tex]t=5/12\ years\\ P=Rp\ 3,000,000\\ A=Rp\ 3,258,750\\r=?[/tex]

substitute in the formula above

[tex]3,258,750=3,000,000(1+r(5/12))[/tex]

[tex]r=[(3,258,750/3,000,000)-1]\(5/12)[/tex]

[tex]r=0.207[/tex]

step 2

For t=2.5 years

[tex]A=3,000,000(1+(2.5)(0.207))[/tex]

[tex]A=Rp\ 4,552,500[/tex]