Lol Sam that isn't a math question but if you must know simply look at a modern hiragana chart. The characters you will need are for the "su" "mi" "ma" "se" and the n is a separate character by it self. One of the only ones without a syllable group and the "n" looks like an h. Sumimasen means thanks in Japanese. Hope this helps and I would appreciate a rate, thanks, or a brainliest :)
7hrs/ =x
21hrs 189
1323=7x
7 7
189=x
the speed of the boat in still water is 189
i got the answer by setting a proportion.
hope it work
Most of the answers are in the book. 1&2 is based on vocabulary and 8&9 are on the chart
The correct answer is a because all you do is expand it it's just the same thing but longer
