Answer:
the son. and 7/20
Step-by-step explanation:
you would ave the denominator to make them both 20 then the fractions would become 5/20 and 8/20 so it would be the son who washed the most. then add them together and get 13/20 so 7/20 laundry needs to be done
i predict the 150 will have defects
you do 280 divided by 4 which gives you 70
then 10,500 divided by 70 which gives you
