Question

Roberta is 20 years older than Julian. In 4 years, Roberta's age will be twice Julian's age.

Answer 1

Step-by-step explanation:

There are 2 questions in one.

1)

Roberta is 20 years older than Julian. In 4 years, Roberta's age will be twice Julian's age:

• r = j + 20
• r + 4 = 2j

---------------------------

2)

Roberta is twice as old as David. In 10 years, Roberta will be 8 less than three times David's present age:

• r = 2d
• r + 10 = 3d - 8

Correct choice is A