document.write( "Question 998619: One grocery store charges $10.00 for 8 cans of soup. A second store charges $6.00 for 5 cans of soup, but you need to join a purchase club for $3.00 to buy them. Write the cost model equations for both stores and find the number of cans that makes the costs equal. \n" ); document.write( "

Algebra.Com's Answer #616389 by MathTherapy(10552) $\"\"$ $\"About$

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\n" ); document.write( "One grocery store charges $10.00 for 8 cans of soup. A second store charges $6.00 for 5 cans of soup, but you need to join a purchase club for $3.00 to buy them. Write the cost model equations for both stores and find the number of cans that makes the costs equal.
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Cost of 1 can at the 1st store: , or $1.25
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document.write( "Cost of 1 can at the 2nd store: , or $1.20\r
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document.write( "Let number of cans that'll make the 2 stores' costs equal, be C
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document.write( "Then: 
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document.write( "1.25C - 1.2C = 3
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document.write( ".05C = 3
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document.write( "C, or number of cans that'll make the 2 stores' costs equal = , or  \n" );
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