document.write( "Question 435541: an order of fries and shake cost$2.40. A Shake and 2 burgers cost $4.10. a shake ,a burger and an order of fries is $3.70. how many shakes can you buy with ten doll bill\r
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Algebra.Com's Answer #301411 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! an order of fries and shake cost$2.40. A Shake and 2 burgers cost $4.10. a shake ,a burger and an order of fries is $3.70. how many shakes can you buy with ten doll bill \r \n" ); document.write( "\n" ); document.write( "-------------------- \n" ); document.write( "Equations: \n" ); document.write( "f + s + 0 = 240 cents \n" ); document.write( "0 + s + 2b = 410 cents \n" ); document.write( "f + s + b = 370 cents \n" ); document.write( "--------- \n" ); document.write( "Solve for \"s\": \n" ); document.write( "----- \n" ); document.write( "I used a TI-84 to get: \n" ); document.write( "s = 150 cents (price of one shake) \n" ); document.write( "------- \n" ); document.write( "how many shakes can you buy with ten doll bill \r \n" ); document.write( "\n" ); document.write( "1000 cents/150 cents = 6 2/3 shakes \n" ); document.write( "====================================== \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( " |