SOLUTION: Maria bicycles 6 km/h faster than Javier, In the same time it takes Javier to bicycle 51km, Maria can bicycle 69 km. How fast does each bicycle travel?
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Question 241724: Maria bicycles 6 km/h faster than Javier, In the same time it takes Javier to bicycle 51km, Maria can bicycle 69 km. How fast does each bicycle travel?
Answer by checkley77(12844) (Show Source): You can put this solution on YOUR website!
D=RT OR T=D/R
M=J+6
T=51/R
T=69/(R+6)
51/R=69/(R+6) CROSS MULTIPLY
69R=51(R+6)
69R=51R+306
69R-51R=306
18R=306
R=306/18
R=17 KMH IS JAVIER'S SPEED.
17+6=23 KMH IS MARIE'S SPEED.
PROOF:
51/17=69/(17+6)
3=69/23
3=3
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