<PRE><B>Question 1039020</B>
.
a biker goes 48 kilometers in 3 hours, on the way back the biker decreases his speed down to 4 kilometers an hour 
how much time did it take for the biker on the way back
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1. First find the biker initial speed by dividing 48 by 3.


2. Then distract 4 from it to find the biker new speed.


3. And what will be your final step?


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