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Bob breaks up a 220-mile trip into three parts. If the first part of t

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Bob breaks up a 220-mile trip into three parts. If the first part of t  [#permalink]

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New post 21 Jan 2019, 01:28
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Bob breaks up a 220-mile trip into three parts. If the first part of the trip is 20 miles longer than the second part of the trip, and the third part of the trip is 50 miles longer than the second part of the trip, how many miles was the second part of the trip?

A 50
B 60
C 70
D 80
E 100

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Re: Bob breaks up a 220-mile trip into three parts. If the first part of t  [#permalink]

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New post 21 Jan 2019, 03:59
Bunuel wrote:
Bob breaks up a 220-mile trip into three parts. If the first part of the trip is 20 miles longer than the second part of the trip, and the third part of the trip is 50 miles longer than the second part of the trip, how many miles was the second part of the trip?

A 50
B 60
C 70
D 80
E 100



let second part of the trip be x miles.

First part of the trip = x + 20

Third part of the trip = x + 50.

x + 20 + x + x + 50 = 220

3x = 150.

x = 50.

A is the correct answer.
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Re: Bob breaks up a 220-mile trip into three parts. If the first part of t  [#permalink]

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New post 21 Jan 2019, 07:49
Bunuel wrote:
Bob breaks up a 220-mile trip into three parts. If the first part of the trip is 20 miles longer than the second part of the trip, and the third part of the trip is 50 miles longer than the second part of the trip, how many miles was the second part of the trip?

A 50
B 60
C 70
D 80
E 100


Let second part of the trip be " B "

So, First part of the trip is " B + 20 "

And, the third part of the trip is " B + 50 "

Thus, \(B + ( B + 20 ) + ( B + 50 ) = 220\)

Or, \(3B = 150\)

So, \(B = 50\) , Answer must be (A)
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Re: Bob breaks up a 220-mile trip into three parts. If the first part of t  [#permalink]

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New post 21 Jan 2019, 08:59
Bunuel wrote:
Bob breaks up a 220-mile trip into three parts. If the first part of the trip is 20 miles longer than the second part of the trip, and the third part of the trip is 50 miles longer than the second part of the trip, how many miles was the second part of the trip?

A 50
B 60
C 70
D 80
E 100



let second part = x
total break up
x+20+x+x+50 = 220
x= 50
IMO A
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Re: Bob breaks up a 220-mile trip into three parts. If the first part of t   [#permalink] 21 Jan 2019, 08:59
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