Answer:
a. 5 Jupiter years old
b. 1.5 Jupiter years old
Explanation:
According to the question:
1 Jupiter year = 12 Earth years
This is essentially a mathematics question.
If you want to convert Earth years to Jupiter years, then divide by 12.
If you want to convert Jupiter years to Earth years, then multiply by 12.
a. 60 EARTH years old = 60 ÷ 12 = 5 Jupiter-years
b. 18 EARTH years old = 18 ÷ 12 = 1.5 Jupiter-years