Question

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?

Answer 1

Answer:

Lily is 20 years old.

Step-by-step explanation:

6 × 19 = 114

( 114 - 17 - 18 - 19 ) ÷ 3

= 60 ÷ 3

= 20

Answer 2

20 years old :)

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