Expenditure 8083

One paid 500 CZK. Three paid in a ratio of 3:4:5.
The smallest expenditure was CZK 360. How much was the total expenditure?

Correct answer:

t =  1440 Kc

Step-by-step explanation:

360=3/(3+4+5) t  0.25t=360  t=0.25360=1440  t=1440  a=3/(3+4+5) t=3/(3+4+5) 1440=360 b=4/(3+4+5) t=4/(3+4+5) 1440=480 c=5/(3+4+5) t=5/(3+4+5) 1440=600  t=1440=1440 Kc

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