Martin will have to mark 0.125 on the
Let the original weight of the scale be 1kg. Hence we can say the original mark for 1kg weight is 1 that is:
1kg = 1 ................ 1
Since we are to calculate where to mark for a 1/8 kg weight, we can write;
1/8 kg = x ..................2
Divide both expressions

This means Martin will have to mark 0.125 on the scale.
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I do believe it is 12 as well considering the fact that it's negative three and not positive. If it was a positive three then maybe it would be 18.
Answer:
............................
It goes zero positive negative. that is from left to right
Answer:
B
Step-by-step explanation:
took the test hope it helps =\/