A loan of Q78,000.00 is requested, which generated simple interest of Q46,800, with a simple interest rate of 20% per year. What approximate time was given to us for said loan?

First, converting R percent to r a decimal r = R/100 = 20%/100 = 0.2 per year, then, solving our equation t = 46800 / ( 78000 × 0.2 ) = 3 t = 3 years