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
Step-by-step explanation:
10x5=50
The answer is 4+5+6=15.Hope that helps. :)
x = 3
Steps:
There you go!