Question

Convert -20°C to degrees Fahrenheit using the formula F = 9/5C + 32. (F=9/5(-20)+32)

Answer 1

- 4° F

Explanation:

substitute C = - 20 into the formula

F = (
`(9)/(5)` × - 20 ) + 32 = (9 × - 4) + 32 = - 36 + 32 = - 4° F