Question

Bob puts a glass of water in the freezer and records the temperature every 15 minutes. The results are displayed in the table below. If this pattern continues, what will be the temperature at 2:15 PM? Explain your answer.

1:00 PM 92 Degrees
1:15 PM 60 Degrees
1:30 PM 44 Degrees
1:45 PM 36 Degrees

Answer 1

• 30 Degrees

Explanation:

As per table we see the difference and pattern of decrease 1/2 times every 15 minutes:

• 1:00 PM 92 Degrees
• 1:15 PM 60 Degrees = -32 Degrees
• 1:30 PM 44 Degrees = -16 Degrees
• 1:45 PM 36 Degrees = -8 Degrees

Expected

• 2:00 PM 32 Degrees = -4 Degrees
• 2:15 PM 30 Degrees = -2 Degrees