The speed of Xiao Qiang =18/4 = 4.5km/h.
Komori's speed = 21/5 = 4.2km/h.
Xiao Qiang walks very fast.
We produced 65,438+000 tons of goods last year, 50,65,438+05 tons in the first half of this year and 7 tons in the second half of this year. How many tons more this year than last year? Search process
50 + 4/ 15 + 54 + 7/30 - 100
= 4 + 4/ 15 + 7/30
= 4 + 8/30 + 7/30
= 4.5 tons
This year is 4.5 tons higher than last year.