Entrepreneurs 2857

Three entrepreneurs decided to invest in a joint project in a ratio of 4:5:7. The largest deposit was € 3,430. How many euros did they invest together?

Correct answer:

x =  7840 Eur

Step-by-step explanation:


3430 = 7/(4+5+7)·x

0.4375x = 3430


x = 3430/0.4375 = 7840

x = 7840

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