Respuesta :

austint1414

 distance = speed * time  

distance = 21000 * 5 = 105000 km

Brainliest

jcherry99

Remark

In one hour it travels 21000 km

In five hours it travels x

Proportion

1/5 = 21000/x      Cross Multiply

x = 5*21000  

x = 105000 km <<< Answer