Respuesta :

Answer:

Mr. Lucas mowed more, 8/20 he mowed. His son mowed 5/20. They need 7/20 more to be mowed 20/20 - 13/20 = 7/20
Mr. Lucas mowed 40% of his lawn while his son only mowed 25% of the lawn. 35% of the lawn still needs to be mowed.