document.write( "Question 104887: Fifteen days after Alan began a diet he weighed 176 lb. After 45 days he weighed 170 lbs\r
\n" );
document.write( "\n" );
document.write( "a) how much did he weigh at the beginning of the diet?\r
\n" );
document.write( "\n" );
document.write( "b) At this rate, when will he weigh 165 lb? \n" );
document.write( "
Algebra.Com's Answer #76321 by edjones(8007)![]() ![]() You can put this solution on YOUR website! He lost 6 of his 176 lbs in 45 days. \n" ); document.write( "6/176=3/88 \n" ); document.write( "(3/88)(1/45)=1/1320 of his weight lost per day. \n" ); document.write( ". \n" ); document.write( "let x be wt. before diet. \n" ); document.write( "x-(15x/1320)=176 \n" ); document.write( "1305x/1320=176 \n" ); document.write( "x=176*1320/1305=178 lbs weight before diet. \n" ); document.write( ". \n" ); document.write( "Let d=days it takes before he loses 11 more lbs. \n" ); document.write( "176*d/1320=11 \n" ); document.write( "176d=11*1320=14520 multiply each side by 1320 to eliminate fraction. \n" ); document.write( "d=14520/176=82.5 days \n" ); document.write( ". \n" ); document.write( "Ed \n" ); document.write( " \n" ); document.write( " |