Answer:
Eli's share: 20 x 9 = 180
Freda's share: 20 x 13 = 260
Geoff's share: 20 x 18 = 360
Explanation:
Total ages: 40 years old
Total money to share: 800
800/40 = 20
Eli's share: 20 x 9 = 180
Freda's share: 20 x 13 = 260
Geoff's share: 20 x 18 = 360
Check:
180 + 260 + 360 = 800