Question: If GCD(A,B)>1 GCD(B,C)>1 GCD(C,A)>1 is it *always* true that GCD(A,B,C)>1 ?
no Following is a counter example: A=6=2*3, B=14=2*7, C=21=3*7 There is no GCD greater than 1 that divides ALL of A, B and C. I am sure you will be able to find other counter examples.
Question: If GCD(A,B)>1 GCD(B,C)>1 GCD(C,A)>1 is it *always* true that GCD(A,B,C)>1 ?
no Following is a counter example: A=6=2*3, B=14=2*7, C=21=3*7 There is no GCD greater than 1 that divides ALL of A, B and C. I am sure you will be able to find other counter examples.
Answer: 440 grams for 1.54 is the better value
Explanation:
Take the price and divide by the number of grams
1.54 / 440 =0.0035 per gram
1.26 / 340 =0.003705882 per gram
0.0035 per gram < 0.003705882 per gram
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