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tengks
A. C = -40°C
C : (F-32) = 5 : 9
C = 5
(F- 32) = 9
-40 = 5
(F - 32) = 9
-8 = 1
(F - 32) = 9
Kali silang
F - 32 = 9(-8)
= -72
F = -72 + 32
= -40°F
B. C = 40°C
C : (F-32) = 5 : 9
C = 5
(F- 32) = 9
40 = 5
(F - 32) = 9
8 = 1
(F - 32) = 9
Kali silang
F - 32 = 9(8)
= 72
F = 72 + 32
= 104°F
C. C = -140°C
C : (F-32) = 5 : 9
C = 5
(F- 32) = 9
- 140 = 5
(F - 32) = 9
- 28 = 1
(F - 32) = 9
Kali silang
F - 32 = 9(-28)
= - 252
F = -252 + 32
= -220°F
D. C = 140°C
C : (F-32) = 5 : 9
C = 5
(F- 32) = 9
140 = 5
(F - 32) = 9
28 = 1
(F - 32) = 9
Kali silang
F - 32 = 9(28)
= 252
F = 252 + 32
= 284°F
Jawabannya (A)