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SAT, 26.09.2021 03:00 gibesanna11p5nn28

substance a decomposes at a rate proportional to the amount of a present. it is found that 12 lb of a will reduce to 6 lb in 4.2 hr. after how many hours will there be only 1 lb left?

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substance a decomposes at a rate proportional to the amount of a present. it is found that 12 lb of...
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