Answer
Person A does 1/20 of a job in a day. Person B does 1/30 of a job in a day. How many days x will it take to do 1 job.
1/20 x + 1/30 x =1 (30/600 + 20/600)x =1 (5/60)x =1 x=12 days
Yes, both working in the same city and country.
There are dog grooming training classes available, both online and in person. It is often not necessary, and you might be hired without completing a training program.
A person that can write with both hands is ambidextrous.
Yes, a person can be a real estate broker and agent working for themselves. By acting as both, the real estate broker and agent, the fees for other corporations, agents, and commissions, are eliminating, providing more profit for the owner.
Both "you and a person" and "a person and you" are correct ways to express a relationship between two individuals. The order does not affect the meaning of the statement.
If both lungs were removed, the person would die.
If you are going to be a co-worker or working alongside the other person, say "working." If you are a plastic surgeon or are planning to do something to the other person's body, say "work."
should be option d: both a person and an apple
i would say that if he is really close and you know each other it is both.
Both
Both are correct.
The word 'person' and the word 'occupation' are both nouns.