12 inch candle and 18 inch candle lit at 6 pm . 12 inch candle burns 0.5 inch every hour . 18 inch candle burn 2 inch every hour
1 answer:
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C 
$12
If the cost c is at least $12 then it could be equal to 12, or could also be a cost greater than $12. So, c is greater than or equal to 12, expressed as <span>c $12</span>
If the cost c is at least $12 then it could be equal to 12, or could also be a cost greater than $12. So, c is greater than or equal to 12, expressed as <span>c