Strawberries

Father collects strawberries himself in 4 hours, son in 10 hours. How long will it take them along when dad comes to help son collect strawberries after 4 hours?

Result

x =  1.714 h

Solution:


x/4+(x+4)/10=1

7x = 12

x = 12/7 ≈ 1.714286

Calculated by our simple equation calculator.







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