Last year because of bad weather in 10 days the tourists overcame a third of the mountain, moving ahead with an average speed of 400 m/h. this year in 10 days they managed to rise by top of this mountain. With what average speed did tourists this year move ahead?

190
Let 10 days = 240 (h), then 400×240 = 96000 (m) are 1/3 mountains of 96000 * 3 = 288000 (m) - all mountain 288000: 240 = 1200 (m/h) — Answer's speed: 1200 m/h
336
Answer add