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At 1 P.M., there were 16 seagulls on the beach. At 3 P.M., there were 40 seagulls. What is the constant rate of change?

2 Answers

2 votes
the correct answer is 12 seagulls per hour
User Ponds
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From 1 PM to 3 PM there are 2 hours in between

The number of seagulls has increased by 40 - 16 = 24 during the two hours.

The number of increase PER hour is 24 ÷ 2 = 12 seagulls per hour
User Teron
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