 
<translate> Nke mbụ, ka anyị buru ụzọ mata euro ole Willie gaara enweta site n'iji ọnụego mgbanwe gọọmentị: 70 euro / 5 euro / dollar = $14. Mgbe ahụ mụbaa nke a site na 5 / 7 iji chọpụta dollar ole o nwetara n'ezie: dollar 14 * 5 / 7 = $2 * 5 = $10. Azịza ya bụ: 10. <eng> First first out how many euros Willie should have gotten using the official exchange rate: 70 euros / 5 euros / dollar = $14. Then multiply this quantity by 5 / 7 to find how many dollars he actually got: 14 dollars * 5 / 7 = $2 * 5 = $10.
The answer: 10. 