There's 60 min, so 1/8 of 60
60/8= 7.5 minutes in 1/8 of 60
Answer:
1 I think its 1.267000000
Step-by-step explanation:
Answer:
Leila WILL MAKE 2,205$ IF SHE WORKS 105 HOURS
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Step-by-step explanation:
The speed of the airplane is the ratio of the distance to the time
The initial average speed of the airplane is approximately 110.8 mph
Reason:
Given parameters are;
The distance between Portland Oregon and Seattle Washington = 145 miles
The decrease in travel time when the speed is increase by 20 mph = minutes
The initial speed of the airplane, v = Required;
Solution;


Therefore;

Which gives;

Therefore
0.2·v² + 4·v - 2,900 = 0
v ≈ ±110.8 mph
The initial average speed of the airplane, v≈ ± 110.8 mph
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