Answer:
90 members were below 25 years of age.
Step-by-step explanation:
Total number of members in gym = 1800.
1). Members aged 25 - 59 were
SO number of members of age 25-59 =
= 3×450 = 1350
2). Members over 60 years of age =
so number of members over 60 =
3). Rest are below 25 of age.
Number of members below 25 of age = 1800 - [(members between 25-59) + (members above 60)]
= 1800 - [1350 + 360]
= 1800 - 1710 = 90
Therefore members under 25 ware 90.