The ratio of Mary’s age to Alice’s age is 3: 5. Alice is 30 years old. How old is Mary?
Answer Choices
A. 15
B. 18
C. 20
D. 24
E. 50
The ratio of Mary’s age to Alice’s age is 3: 5. Alice is 30 years old. How old is Mary?
Answer Choices
A. 15
B. 18
C. 20
D. 24
E. 50