Greetings!
An item at full price is 100%, or by using the percentage formula: 
If something is at 30% off, that means it is 70% of the original price (because minus the percentage from the 100%)
So by substituting the numbers into the percentage formula you end up with:
which is 0.7
So your answer would be D, 0.7!
Hope this helps!
Answer:
90 but since its a triangle but im
pretty sure you have to divide by 2 so 45 i think
Yes because if you turn 6 and three to 12 then you have 2/12 and 4/12!
1,000 grams = 1 kilogram
2,000 grams = 2 kilograms
3,000 grams = 3 kilograms
4,000 grams = 4 kilograms
5,000 grams = 5 kilograms
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.
10,000 grams = 10 kilograms
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20,000 grams = 20 kilograms
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30,000 grams = 30 kilograms