Answer:
14°C
Step-by-step explanation:
(°F − 32) × 5/9 = °C
(46°F − 32) × 5/9 = 7.778°C which is about 8°C
(72°F − 32) × 5/9 = 22.222°C which is about 22°C
22°C - 8°C = 14°C
73.4 degrees
10* 299.99=2999.9
2999.9/100=29.999
this would round up to 30, so Brittany saved $30. : )