A cement company earns a profit of 8 Rs of white cement and a loss of 5 Rs for grey cement sold a)the company sells 3000 bags of white cement and 5000 bags of grey cement in month .what is profit or loss? b)what is the number of white cement bags it must sell to have neither profit nor loss if the number of grey cement bags sold is 6400 bags?

answer: sherk

step-by-step explanation:

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1,407.5 hours

step-by-step explanation:

we first convert all the time to hours and then sum them up.

there are 24 hours in 1 day, in 58 days, there are 24 x 58 = 1,392 hours.

there are 60 minutes in 1 hour, thus, 30 minutes will be equivalent to 30 / 60 = 0.5 hours.

therefore, the number of hours it will take mercury to complete a full rotation is 1,392 + 15 + 0.5 = 1,407.5 hours