156k views
2 votes
Jenna is 4 years older than her sister. The sum of Jenna's age and her sister's age is 32. How old is Jenna?

User Gyna
by
7.9k points

2 Answers

2 votes
Jenna is 18 years old.
Let Jenna's age be j and her sister's age s
j=4+s
j+s=32
4+s+s=32
2s=32-4
2s=28
s=14
j=14+4
j=18

User Arcane
by
7.2k points
0 votes
Jenna is 18. Her sister is 14.
User Archura
by
7.1k points