Stairs

Between adjacent levels are 15 stairs. If step will be 1.2 cm lower there would be 16 stairs. What is the stair height?

Correct result:

x =  19.2 cm

Solution:


15x = 16(x-1.2)

15•x = 16•(x-1.2)

x = 19.2

x = 965 = 19.2

Our simple equation calculator calculates it.



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