Question 280513
x/12+x/j=1
x=3j/4
j=4 and x=3
James takes 4 days alone and together they take 3 days
Answer: James can paint 1/4 house per day

check
3/12+3/4=1
1/4+3/4=1
When working together James does 3/4 of the house and Wendy does 1/4
ok