9. In ancient China, the following were considered equal units of weight: 1 ??? = 16 ????? = 384 ?h? Solve the following problem: Now given 1 ??? of silk costs 240 coins. Tell: given 1328 coins, how many jin of silk are obtained? Give your answer exactly in units of jin, liang, zhu, and fractions of a zhu.
9. In ancient China, the following were considered equal units of weight:
1 ??? = 16 ????? = 384 ?h?
Solve the following problem:
Now given 1 ??? of silk costs 240 coins. Tell: given 1328 coins, how many jin of silk are obtained? Give your answer exactly in units of jin, liang, zhu, and fractions of a zhu.
Given that
(1) Now 1 jin of silk cost = 240 coins
that means for 240 coins = 1 jin of silk
for 1328 coins = jin of silk.
(2) Next 5.53333 jin = 384 ( 5.53333 ) zhu
= zhu
zhu
(3) But 5 jin = 384 ( 5 ) = 1920 zhu
zhu - 1920 zhu =
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