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The sum of two numbers, a and b, is 12. Their difference is 8. Find the larger number.
 one year ago
 one year ago
The sum of two numbers, a and b, is 12. Their difference is 8. Find the larger number.
 one year ago
 one year ago

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valentinekidBest ResponseYou've already chosen the best response.0
Mathematically, assuming a is the larger number: \[a+b=12\] \[ab=8\]
 one year ago

kelliegirl33Best ResponseYou've already chosen the best response.1
a + b = 12> a = 12  b a  b = 8 a  b = 8 12  b  b = 8 12  2b = 8 12  8 = 2b 4 = 2b 2 = b a + b = 12 a + 2 = 12 a = 12  2 a = 10 check... a + b = 12 10 + 2 = 12 12 = 12 (correct) or ... a  b = 8 10  2 = 8 8 = 8 (correct) ANSWER : Larger number is 10. Smaller number is 2
 one year ago
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