When Marshall went to bed, there were 584 birds on the lake. When he woke up in the morning, there were 687 birds on the lake. How many birds landed on the lake overnight?
Question
When Marshall went to bed, there were 584 birds on the lake. When he woke up in the morning, there were 687 birds on the lake. How many birds landed on the lake overnight?
Solution
To find out how many birds landed on the lake overnight, you need to subtract the number of birds that were there when Marshall went to bed from the number that were there when he woke up.
Here's how you do it:
Step 1: Note down the number of birds on the lake when Marshall went to bed. This is 584.
Step 2: Note down the number of birds on the lake when Marshall woke up. This is 687.
Step 3: Subtract the number of birds that were there when Marshall went to bed (584) from the number that were there when he woke up (687).
So, 687 - 584 = 103
Therefore, 103 birds landed on the lake overnight.
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