Question

.The temperature rises by 20 degree Fahrenheit. What is the rise in Celsius scale?​

Answer 1

Answer:

let temp be F & C before rise

F=9/5C+32

now F1 and C1 after rise

F1=9/5C1+32

20+F=9/5C1+32

F=9/5C1+12

9/5C1+12=9/5C+32

9/5(C1-C)=20

C1-C=100/9

so temperature rise by 100/9°C

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