SOLUTION: joseph and caleb drove together for seven hours. So far, they have driven three hundred twenty- five miles. Joseph drove the first three hours. Caleb drove the rest of the way at a

Question 61430: joseph and caleb drove together for seven hours. So far, they have driven three hundred twenty- five miles. Joseph drove the first three hours. Caleb drove the rest of the way at a speed twenty- six less than two times Joseph's speed (in miles per hour). What was Caleb's average driving speed?
Answer by Paul(988) (Show Source): You can put this solution on YOUR website!
Jeseph drove for 3 hours and celeb drove for 4 hours
EQUATION:
3(x)+4(2x-26)=325
3x+8x-104=325
11x=429
x=39
2(39)-26=52
Hence, Jeseph drove at 39mph and Caleb drove at 52mph.
Paul.
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