60/ 1.5= 120/3=40 (yuan) 14*40=260 (yuan)

260 yuan is needed to buy 14m.

A tractor cultivates 2.8 hectares of land in 4 hours.

2.8/4=0.7 (hectare) 7*0.7=4.9 (hectare)

4.9 hectares can be cultivated in 7 hours.

Tucki rides a bike from home to grandma's house, every hour15km, 1.2 hours. If the line is per hour 12km.

1.2* 15= 18 (km) 18/ 12= 1.5 (hours)

1.5 hours to grandma's house.