5+4 2+6-2 2-1 Where should you put the parentheses to make this expression equal 19.
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The small plane has the following parameters
Distance = 1200 miles
Speed = 300miles/hour
time = ?
If a Boeing 747 leaves 2 hours later, the total time becomes 4hours + 2 hours = 6 hours
Considering the distance of the small plane after 6 hours, we have
So the total distance = 1800 miles
Hence the speed of the Boeing 747 will be
The average speed of the Boeing 747 is 900 miles/ hour