Question

At what rate percent simple interest will a sum of money amount to 5/4 of self 2 years​

Answer 1

Answer:

$12.5\%$

Step-by-step explanation:

Let rate be r and priniciple p.

Now

principle + interest = Sum

$p + \frac{p \times 2 \times x}{100} = \frac{5p}{4} \\ 100 + 2x = 125 \\ x = \frac{25}{2} = 12.5\%$

Answer 2

Answer:

Let rate be r and priniciple p.

Now

principle + interest = Sum

P + p × 2 × x = 5p

100 4

x= 25/2

=12.5%

Hope this is helpful for you.