document.write( "Question 145088: Xander and Ella pool their loose change to buy snacks on their coffee break. One day, they spend $1.85 on 1 carton of milk, 2 donuts, and 1 cup of coffee. The next day, they spend $2.30 on 3 donuts and 2 cups of coffee. The third day, they bought 1 carton of milk, 1 donut, and 2 cups of coffee and spent $1.75. On the fourth day, They have a total of $1.80 left. Is this enough to buy 2 cartons of milk and 2 donuts?\r
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\n" ); document.write( "milk cost ______
\n" ); document.write( "Donut Cost _____
\n" ); document.write( "Coffee Cost_____
\n" ); document.write( "4th day cost______
\n" ); document.write( "available $1.80
\n" ); document.write( "yes or no________\r
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\n" ); document.write( "\n" ); document.write( "I am finding this question VERY hard!! Please help me :)
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Algebra.Com's Answer #105770 by faceoff57(108)\"\" \"About 
You can put this solution on YOUR website!
1m + 2d + 1c = 1.85
\n" ); document.write( "3d + 2c = 2.30
\n" ); document.write( "1m + 1d + 2c = 1.75\r
\n" ); document.write( "\n" ); document.write( "1m + 2d + 1c = 1.85
\n" ); document.write( "-(1m + 1d + 2c = 1.75)\r
\n" ); document.write( "\n" ); document.write( "1m + 2d + 1c = 1.85
\n" ); document.write( "-1m - 1d - 2c = -1.75
\n" ); document.write( "d - c = .10
\n" ); document.write( "d = c + .10\r
\n" ); document.write( "\n" ); document.write( "3d + 2c = 2.30
\n" ); document.write( "3(c + .10) + 2c = 2.30
\n" ); document.write( "3c + .30 + 2c = 2.30
\n" ); document.write( "5c + .30 = 2.30
\n" ); document.write( "5c = 2.30 - .30
\n" ); document.write( "5c = 2.00
\n" ); document.write( "c = .40\r
\n" ); document.write( "\n" ); document.write( "3d + 2c = 2.30
\n" ); document.write( "3d + 2(.40) = 2.30
\n" ); document.write( "3d + .80 = 2.30
\n" ); document.write( "3d = 2.30 - .80
\n" ); document.write( "3d = 1.50
\n" ); document.write( "d = .50\r
\n" ); document.write( "\n" ); document.write( "1m + 1d + 2c = 1.75
\n" ); document.write( "1m + 1(.50) + 2(.40) = 1.75
\n" ); document.write( "1m + .50 + .80 = 1.75
\n" ); document.write( "1m + 1.30 = 1.75
\n" ); document.write( "1m = 1.75 - 1.30
\n" ); document.write( "1m = .45\r
\n" ); document.write( "\n" ); document.write( "cup of coffee = .40
\n" ); document.write( "donut = .50
\n" ); document.write( "carton of milk = .45\r
\n" ); document.write( "\n" ); document.write( "2 cartons of milk is .90 and 2 donuts is $1.00. The total equalling $1.90. $1.80 is not enough. They are short .10. \r
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