document.write( "Question 1166727: Hello, I'm having a hard time finding the sequence of this number pattern. Please help me. Thank you in advance 😊\r
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document.write( "5*4 = 17
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document.write( "6*8 = 22
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document.write( "2*8 = 10
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document.write( "9*6 = __\r
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document.write( "Note: My teacher told me that the asterisk (*) can be any operation.
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document.write( "Edit: I have written in my first question that 5*4=14, but it's actually 17 and not 14. Sorry. \n" );
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Algebra.Com's Answer #791252 by Edwin McCravy(20056)![]() ![]() You can put this solution on YOUR website! \r\n" ); document.write( "\r\n" ); document.write( "I notice that in all four cases, that the second number is even.\r\n" ); document.write( "\r\n" ); document.write( "input #1 Input #2 Output\r\n" ); document.write( " 5 4 17\r\n" ); document.write( " 6 8 22\r\n" ); document.write( " 2 8 10\r\n" ); document.write( " 9 6 ?\r\n" ); document.write( "\r\n" ); document.write( "What we can do with even numbers, that we can't do with odd numbers,\r\n" ); document.write( "is to take half of them and get a whole number. So let's take half\r\n" ); document.write( "of them and see if that helps:\r\n" ); document.write( "\r\n" ); document.write( " Half of\r\n" ); document.write( "input #1 Input #2 Output\r\n" ); document.write( " 5 2 17\r\n" ); document.write( " 6 4 22\r\n" ); document.write( " 2 4 10\r\n" ); document.write( " 9 3 ?\r\n" ); document.write( "\r\n" ); document.write( "Aha, I see that if I subtract half of input #2 from the output number,\r\n" ); document.write( "I always get 3 times input #1. So the simplest pattern is:\r\n" ); document.write( "\r\n" ); document.write( "Multiply input #1 by 3 \r\n" ); document.write( "Take half of the second input\r\n" ); document.write( "Add them together.\r\n" ); document.write( "\r\n" ); document.write( "That works in the first 3 cases:\r\n" ); document.write( "\r\n" ); document.write( "So to find the answer to the fourth case:\r\n" ); document.write( "\r\n" ); document.write( "Multiply 9 by 3, get 27 \r\n" ); document.write( "Take half of the second input 6, get 3\r\n" ); document.write( "Add them together, 27+3 = 30.\r\n" ); document.write( "\r\n" ); document.write( "Edwin\r \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |