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Two students, 100 meters apart on the same path, arewalking towards one other. Student A has a speed of 2meters each second; Student B has a speed of 3 meterseach second. Let's suppose they start to walk to eachother when t=0. How many seconds will it take for thestudents to bump into one another? Give your answer tothe nearest whole number

Sagot :

D = RT

Where

D is distance

R is speed

T is time

Distance of student 1:

[tex]D_1=2t[/tex]

Distance of student 2:

[tex]D_2=3t[/tex]

Now,

When they meet, their distance would total 100, so we can write:

[tex]D_1+D_2=100[/tex]

We can also write:

[tex]D_1=100-D_2[/tex]

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