Laura has C colorful scarves. Her older sister, Isabel has 2 less than twice the amount of colorful scarves as Laura. Their cousin has 5 scarves. How many scarves does Isabel have?

Initially 100 milligrams of a radioactive substance was present. after 6 hours the mass had decreased by 4%. if the rate of decay is proportional to the amount of the substance present at time t, find the amount remaining after 24 hours. (round your answer to one decimal place.)

Alawn mower manufacturer incurs a total of 34,816 in overhead costs and 388 per lawn mower in production costs. how many lawn mowers were manufactured if the average cost of productions is 660

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