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Watch closely, but don't try this at home:(15) times (c) = " 15c "
x = 100A + 10B + CA = B + 1B = C + 2∴A = C + 3A + B + C = 20∴(C + 3) + (C + 2) + C = 203C = 15C = 5∴ B = 7∴ A = 8The number is 875
It is 1.201386 meters at 65 degrees C.
Then A = 31, b = 31 and c = 31/15 = 2.066...
Restate the question: What is the temperature change if it goes from 15C to -5C?Answer: -20 Celsius degreesIf the temperature goes from 15C to -5C it has gone down 20 degrees.You could also say: change = ending value - starting value= -5 - (+15)= -5 - 15= -20.