Answer:
1. 220°C = ____ °F
C × 9/5 + 32
220 × 9/5 + 32
396 + 32
2. 266°F = ____ °C
(F - 32) × 5/9
(266 - 32) × 5/9
234 × 5/9
3. 80°C = ____ °F
80 × 9/5 + 32
144 + 32
4. 140°F = ____ °C
(140 - 32) × 5/9
108 × 5/9
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Answer:
1. 220°C = ____ °F
C × 9/5 + 32
220 × 9/5 + 32
396 + 32
= 428°F
2. 266°F = ____ °C
(F - 32) × 5/9
(266 - 32) × 5/9
234 × 5/9
= 130°C
3. 80°C = ____ °F
C × 9/5 + 32
80 × 9/5 + 32
144 + 32
= 177°F
4. 140°F = ____ °C
(F - 32) × 5/9
(140 - 32) × 5/9
108 × 5/9
= 60°C