Question

Juanita is 13 years older than her cousin. The sum of their ages is no less than 103 years.

What is the youngest age Juanita's cousin can be?

Answer 1

45

Explanation:

I can confirm, the first guy is right (I did the test)

Answer 2

x = y + 13 where x and y are Juanita and her cousin's age.

x + y >= 103

substituting for x:-

y + 13 + y >=103
2y >= 90
y >= 45

Answer is 45.