document.write( "Question 1181027: Jayson needs to buy fruits. A mango (m) costs $20 each while a guava (g) costs $25 each. He can spend no more than $100. The total number of fruits is not less than 3. How many mango and guava can he buy? List 3 possible solutions and show a step by step solution on how you solved the problem. \n" ); document.write( "
Algebra.Com's Answer #810839 by ikleyn(52851)\"\" \"About 
You can put this solution on YOUR website!
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\n" ); document.write( "\n" ); document.write( "I just solved this problem under this link\r
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\n" ); document.write( "\n" ); document.write( "https://www.algebra.com/algebra/homework/coordinate/word/Linear_Equations_And_Systems_Word_Problems.faq.question.1181026.html\r
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\n" ); document.write( "\n" ); document.write( "https://www.algebra.com/algebra/homework/coordinate/word/Linear_Equations_And_Systems_Word_Problems.faq.question.1181026.html\r
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\n" ); document.write( "\n" ); document.write( "but the visitor asks \"to show a step by step solution on how you solved the problem\".\r
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\n" ); document.write( "\n" ); document.write( "So, I will copy-paste the previous solution and then add couple of words after that.\r
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document.write( "Two governing inequalities are\r\n" );
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document.write( "      m +   g >=   3     (1)\r\n" );
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document.write( "    20m + 25g <= 100     (2)\r\n" );
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document.write( "3 (three) possible solutions are (for example)\r\n" );
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document.write( "    3m,0g\r\n" );
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document.write( "    4m,0g\r\n" );
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document.write( "    1m,3g\r\n" );
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\n" ); document.write( "\n" ); document.write( "To get these solutions, I applied \"trial and error\" method: I guessed the possible numbers/(pairs) and then\r
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\n" ); document.write( "\n" ); document.write( "For example, \r
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document.write( "    - for the 1st pair, I see that 3 + 0 = 3, which is not less than 3;\r\n" );
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document.write( "    - and 20*3 + 25*0 = 60 is not more than 100;\r\n" );
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document.write( "    - for the 2nd pair, I see that 4 + 0 = 4, which is not less than 3;\r\n" );
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document.write( "    - and 20*4 + 25*0 = 80 is not more than 100;\r\n" );
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document.write( "    - for the 3rd pair, I see that 1 + 3 = 4, which is not less than 3;\r\n" );
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document.write( "    - and 20*1 + 25*3 = 95 is not more than 100.\r\n" );
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\n" ); document.write( "\n" ); document.write( "Usually, \"trial and error\", or \"guessing\" are not considered as a strict mathematical method.\r
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\n" ); document.write( "\n" ); document.write( "But if you CHECKED the results, similar to as I checked them, then it becomes ABSOLUTELY STRICT mathematical solution.\r
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\n" ); document.write( "\n" ); document.write( "Have a nice day and happy learning (!)\r
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