The tourist

The tourist traveled 190km in 5 hours. Part of the journey passed at 5 km/h. The rest he went by bus at a speed of 60 km/h. How long has a bus gone?

Correct result:

b =  3 h

Solution:


190 = 5a + 60b
a+b = 5

190 = 5•a + 60•b
a+b = 5

5a+60b = 190
a+b = 5

a = 2
b = 3

Our linear equations calculator calculates it.



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