SOLUTION: Pam and Sue are both driving. After 4 hours, they are 440 miles apart. Pam is driving 10mph faster than Sue, how fast is Sue driving?

Question 818349: Pam and Sue are both driving. After 4 hours, they are 440 miles apart. Pam is driving 10mph faster than Sue, how fast is Sue driving?
Found 3 solutions by rfer, TimothyLamb, Alan3354:
Answer by rfer(16322)   (Show Source): You can put this solution on YOUR website!
440/4=110
x+x+10=110
2x=110-10
x=100/2
x=50
x+10=60
Answer by TimothyLamb(4379)   (Show Source): You can put this solution on YOUR website!
s = d / t
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p + s = 440/4
p + s = 110
---
p = s + 10
---
p + s = 110
s + 10 + s = 110
2s = 100
---
s = 50 mph
p = 60 mph
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Answer by Alan3354(69443)   (Show Source): You can put this solution on YOUR website!
Depends on the direction they're driving, and their starting points.

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