SOLUTION: a plane travels from NY to CA at 550mph. A second plane travels 30 minutes later at 625mph. how many hours later will plane two pass the first?
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Question 909404: a plane travels from NY to CA at 550mph. A second plane travels 30 minutes later at 625mph. how many hours later will plane two pass the first?
Answer by richwmiller(17219) (Show Source): You can put this solution on YOUR website!
Gaining speed 625 -550= 75 mph
Headstart 550*0.5 =275 miles
Time to catch up 275/75=3.66666667 hours
Algebraic solution
550(t+0.5)=625t
550t+275.0=625t
275.0=625t-550t
275.0=75t
t=3.66666667 hours
code drt1
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