document.write( "Question 523761: Primary 5 question. Michelle had a sum of money. She spent $30 on a dress and 1/5 of the remainder on a skirt. She still had 2/3 of her money left. How much did she have at first? Anwser is $180. \n" ); document.write( "
Algebra.Com's Answer #347404 by mananth(16946)![]() ![]() You can put this solution on YOUR website! let her have $ x \n" ); document.write( "she spent 30 on dress \n" ); document.write( "Balance she had = x - 30) \n" ); document.write( "She spent 1/5 of it on skirt =0.2 \n" ); document.write( "Skirt 0.2 (x- 30 ) \n" ); document.write( "Balance she had was (x-30) -0.2(x- 30) \r \n" ); document.write( "\n" ); document.write( "(x-30) -1/5(x- 30) =2x/3\r \n" ); document.write( "\n" ); document.write( "LCD of equation = 15 \n" ); document.write( "multiply by 15 \n" ); document.write( "15(x-30)-3(x-30)=10x \n" ); document.write( "15x-450-3x+90=10x\r \n" ); document.write( "\n" ); document.write( "12x-10x=360\r \n" ); document.write( "\n" ); document.write( "2x=360 \n" ); document.write( "/2 \n" ); document.write( "x=180\r \n" ); document.write( "\n" ); document.write( "m.ananth@hotmail.ca \n" ); document.write( " |