40 percent because each cookie is 10 percent alone so just do 4 times 10 and you'll get 40
To find the range subtract from the biggest to the lowest, so it would be 86 - 13 which equals to 73.
Your lower or first quartile would be 42 and your upper or third quartile would be 74.
so the basic formula for this d = rt
where d is the distance , r is the speed and t
is time
3800 – 120t = 520 + 40t ( this is the altitude
of each plane are equal)
Solve for t
T = 20.5 min time it takes for the planes to be
at the same altitude
3800 – 120(20.5) = 1340 ft
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