Two friends live 7 miles apart. One Saturday, the two friends set out on their bikes at 8am and started riding towards eachother one rides at 0.2miles per minute, And the other rides at 0.15 miles per minute, At what time will the two friends meet

The two friends meet at .

Step-by-step explanation:

Given: Two friends live miles apart. The two friends set out on their bikes at am and started riding towards each other one rides at miles per minute, and the other rides at miles per minute.

To find: The time when the two friends meet.

Solution:

Distance between two friends

Speed of one friend  

Speed of other friend

Since, both are riding towards each other, the net speed will be .

We know that,  

So, time taken to cover

Now, both the friends set out on their bikes at am and started riding towards each other. So, the two friends meet after minutes.

Hence, the two friends meet at .    

step-by-step explanation: