
Kenneth S. answered 05/06/16
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Expert Help in Algebra/Trig/(Pre)calculus to Guarantee Success in 2018
Do you know how to perform long division?
12 goes into the 12 part of 12431 time; 12 does not go into the 4 part of 1243 (so it's 0 times); 12 goes into 43 3 times with remainder 7, so the answer is
103 & 7/12