4.5k views
17 votes
In a jazz band, Ben plays the saxophone, Jack plays the

trumpet and Lily sings. They are all the same age. There
are 3 more members of the jazz band,who are 17, 18 and
19 years old, respectively. The average age of the jazz
band is 19. How old is Lily?

User Tez
by
4.4k points

2 Answers

14 votes
20 years old :)

i hope this picture helps :)
User Aljosa Mohorovic
by
5.1k points
10 votes

Answer:

Lily is 20 years old.

Explanation:

6 × 19 = 114

( 114 - 17 - 18 - 19 ) ÷ 3

= 60 ÷ 3

= 20

User Elibud
by
4.4k points