Question 17
An has $2/3$ as many sweets as Bình. Bình has $3/4$ as many as Châu, and Châu has $4/5$ as many as Dũng. What fraction of An’s amount does Dũng have? If Dũng’s amount represents 15 equal parts, how many such parts does An’s amount represent? Give the fraction first, then the number of parts.
