Question

In how many months or years will a P12,500 investment double if invested at an investment
security that gives 10% simple per annum?​

Answer 1

Answer:

$\sf{ \red{ \underline{ \underline{correct \: question \: : }}}}$

In how many months or years will a P12,500 investment double if invested at an investment

security that gives 10% simple per annum?

$\sf{ \red{ \underline{ \underline{note \ \: : }}}}$

$\sf{s.i \: = \: \frac{prt}{100} }$

$\sf{s.i \ \: : simple \: intrest}$

$\sf p\ \: : principle$

$\sf{r \ \: : rate \: of \: intrest}$

$\sf{t \ \: : time}$

$\sf{ \red{ \underline{ \underline{let \: us \: solve \ \: : }}}}$

$\huge\sf{ \blue{ \underline{ \underline{given}}}}$

$\sf{p = 12500}$

$\sf{r = 10\%}$

$\sf{t = ?}$

$\sf{ \frac{12500 \times 10 \times t}{100} = 12500 \times( 2) }$

$\sf {125 \times 10 \times t = 25000}$

$\sf 1250 \times t = 25000$

$\sf{t = \frac{25000}{1250} }$

$\sf{t = \frac{2500}{125} }$

$\sf{ \boxed{t = 20}}$