YOU SAID:

Luckily I had with me two ropes of varying density, both of which burn for exactly one hour.

INTO JAPANESE

幸いなことに、密度の異なる2本のロープがあり、どちらも正確に1時間燃焼しました。

BACK INTO ENGLISH

Fortunately, there were two ropes of different densities, both burning for exactly one hour.

INTO JAPANESE

幸いなことに、密度の異なる2本のロープがあり、どちらも正確に1時間燃焼していました。

BACK INTO ENGLISH

Fortunately, there were two ropes of different densities, both burning for exactly one hour.