The friends Sandra, Steffi, Senna, Ozlem, Janina and Nina are 91 years old together. Sandra and Janina as well as Ozlem and Stef
fi are the same age. Nina is the oldest and two years older than Ozlem. Steffi is one year younger than Senna. There are exactly three years between the two youngest girls and the oldest friend. Steffi will celebrate her 16th birthday next month. How old is everyone
Sandra is years old.
Steffi is years old.
Senna is years old.
Ozlem is years old.
Janina is years old.
Nina is years old.
