A Canadian goose and a great blue heron took off in opposite directions. The goose flew at 20 mph, and the heron flew at 10 mph. When they landed, they were 180 miles apart. Altogether, they flew for 14 hours. How long did each bird fly?

1 answer

Let \( t \) be the time (in hours) that the Canadian goose flew. Then, the time that the great blue heron flew would be \( 14 - t \) hours (since they flew for a total of 14 hours).

The distance flown by the goose can be calculated as:

\[ \text{Distance of goose} = \text{Speed of goose} \times \text{Time flown by goose} = 20t \]

The distance flown by the heron can be calculated as:

\[ \text{Distance of heron} = \text{Speed of heron} \times \text{Time flown by heron} = 10(14 - t) \]

Since the distances flew by both birds add up to 180 miles, we can set up the equation:

\[ 20t + 10(14 - t) = 180 \]

Now, let's simplify and solve for \( t \):

\[ 20t + 140 - 10t = 180 \]

Combine like terms:

\[ 10t + 140 = 180 \]

Subtract 140 from both sides:

\[ 10t = 40 \]

Now, divide by 10:

\[ t = 4 \]

So, the Canadian goose flew for 4 hours. To find the time the heron flew, we subtract this from 14:

\[ 14 - t = 14 - 4 = 10 \]

The great blue heron flew for 10 hours.

In summary:

  • The Canadian goose flew for 4 hours.
  • The great blue heron flew for 10 hours.
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