Painters

15 painters painted fence for 280 minutes. For how many minutes paint half of this fence 12 painters?

Result

x =  175 min

Solution:

28015=122x x=28015/2/12=175  min 280\cdot 15 = 12 \cdot 2\cdot x \ \\ x = 280\cdot 15/2/12 = 175 \ \text{ min }

280*15 = 12 * 2*x

24x = 4200

x = 175

Calculated by our simple equation calculator.



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