Coins

Denis and Zdeno together have 97 coins. If Denis had four coins less than he has now, the coins would be in the ratio 14:17. Determine the number of coins owned by Denis and Zdeno.

Correct answer:

D =  46
Z =  51

Step-by-step explanation:


D+Z=97
D-4=14:17·Z

D+Z = 97
D-0.823529Z = 4

Row 2 - Row 1 → Row 2
D+Z = 97
-1.82Z = -93


Z = -93/-1.82352941 = 51
D = 97-Z = 97-51 = 46

D = 46
Z = 51

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