jawad has 7 rocks the total rocks is 5 kilograms. 6 of the rocks each have a weight of 720 grams. work out the weight, in grams, of the other rock.
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Answer:
Step-by-step explanation:
Total rocks =5kg=5000g.
Also,6 of the rocks each have a weight of 720g= 6×720=4320g.
Hence,the other rock is
》5000-4320
》680g
therefore the weight of the other rock is 680g
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