document.write( "Question 522739: Billy's restaurant ordered 200 flowers for Mother's Day. They ordered carnations at $1.50 each, roses at $5.75 each, and daisies at $2.60 each. they ordered mostly carnations, and 20 fewer roses than daisies. the total order came to $589.50. How do i find out how many of each type of flower was ordered? \n" ); document.write( "
Algebra.Com's Answer #346972 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! Billy's restaurant ordered 200 flowers for Mother's Day. They ordered carnations at $1.50 each, roses at $5.75 each, and daisies at $2.60 each. they ordered mostly carnations, and 20 fewer roses than daisies. the total order came to $589.50. How do i find out how many of each type of flower was ordered? \n" ); document.write( "------------------------ \n" ); document.write( "Quantity Eq: c + r + d = 200 \n" ); document.write( "Value Eq:::1.5c+5.75r+2.6d = 589.5 dollars \n" ); document.write( "r = d-20 \n" ); document.write( "c = 200-d-(d-20) = 200-2d+20 = 220-2d \n" ); document.write( "--- \n" ); document.write( "Three Equations: \n" ); document.write( "1.5c+5.75r+2.6d = 589.5 dollars \n" ); document.write( "c......0*r..+2d...= 220 \n" ); document.write( "c + r + d = 200 \n" ); document.write( "-------------------- \n" ); document.write( "I used a Matrix Method to get: \n" ); document.write( "c = 80 (# of carnations- \n" ); document.write( "r = 50 (# of roses) \n" ); document.write( "d = 70 (# of daisies) \n" ); document.write( "========================== \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( "================ \n" ); document.write( " \n" ); document.write( " |