英語の連立方程式の問題です。 解き方が分からないのですが片方でもわかる方いたら教えていただきたいです。 よろしくお願いします。 Q:Speed and Distance: A college rowing team can row 2 km downstream in 8 minutes, but it takes 12 minutes for the team to row the same distance upstream. How fast can the team row in still water, and what is the rate of the water current Q:Taxi fares in Kuala Lumpur charge a flat rate for the first kilometer plus a fix rate per kilometer for the succeeding distances. A passenger took a taxi and travelled six kilometers and paid MYR 9.25 (Malaysian Ringgit). Another passenger went for a 14-kilometer travel and was charged MYR 19.25. What is the flat rate for the first kilometer, and the fix-rate of the succeeding kilometers in Kuala Lumpur?