A science experiment the temperature of a liquid is first read at 11.15am. if the temperature is read every 12 hours, at what time will the eight temperature reading be taken?

Answer 1

If the temperature is read every 12 hours, then it will take 8 readings x 12 hours per reading = 96 hours in total.
Since 1 day has 24 hours, then 96 hours / 24 hours per day = 4 days.
Therefore, the eighth temperature reading will be taken 4 days x 24 hours per day = 96 hours after the initial reading.
If the initial reading is taken at 11.15am, then the eighth reading will be taken at 11.15am + 96 hours/4 = 11.15am + 24 hours = 11.15am + 1 day = 12.15pm (12 hours after 11.15am). Answer: \boxed{12:15 \text{ pm}}.