the perimeter of Tom's garden is given by the formula S = 2 ( x + 3 ) + 2 ( x - 2) find the length, x, of the garden if S = 120

Combined megan and kelly worked 60 hours.kelly worked twice as many hours as megan.how many hours did they each worked?

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.)

4+(2+x) can you me solve this problem