Question

the temperature at 12 noon was 10c above zero if it the rate of 2c per hour until midnight at what would be the temperature be 8c below zero​

Answer 1

Answer:

Time = 18 / 2 = 9 hours. So, the time at which temperature goes 8°C below 0 is 9:00 PM. Also, The temperature at 12 :00 PM = 10° C, As temperature decreases at 2°C, Temperature at mid night = 10° C - 2 ( 12 ) = 10 - 24 = -14° C.

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Answer 2

Answer:

ANSWER

Profit on white cement bag =Rs.+9

Loss on grey cement bag =Rs.−5

Profit on 1 bag of white cement =Rs. 9

Profit on 7000 bags of white cement =9×7000=Rs. 63000

Loss on 1 bag of grey cement =Rs.−5

Loss on 6000 bag of grey cement =(−5)×6000=Rs.−30000

Now, Total profit/loss = Total profit + Total loss

=63000+(−30000)

=33000

∴ Total Profit =Rs. 33000

I hope this will be help you.