document.write( "Question 92923: Miss Santos invested half of her money at 1% and half at 8% per year. Her annual income from the two investments was 7,500 pesos. How much did she invest at each rate? \n" ); document.write( "
Algebra.Com's Answer #67617 by psbhowmick(878)![]() ![]() You can put this solution on YOUR website! Let us suppose that Miss Santos had money amounting to 2x pesos. \n" ); document.write( "So she invested x pesos at 1% and x pesos at 8% simple interest per annum.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Interest on x pesos for 1 yr at 1% simple interest per annum = \n" ); document.write( "Amount at 1% rate = Principal + Interest = \n" ); document.write( "Interest on x pesos for 1 yr at 8% simple interest per annum = \n" ); document.write( "Amount at 8% rate = Principal + Interest = \n" ); document.write( "Total annual income from the interests = \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "This amount is equal to 7500 pesos. \n" ); document.write( "So \n" ); document.write( "or \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "So Ms. Santos invested 3456.22 pesos at each rate. \n" ); document.write( " |