Answer:
<u><em>Eli's share: 20 x 9 = 180 </em></u>
<u><em>Freda's share: 20 x 13 = 260</em></u>
<u><em>Geoff's share: 20 x 18 = 360</em></u>
Step-by-step explanation:
Total ages: 40 years old
Total money to share: 800
800/40 = 20
<u><em>Eli's share: 20 x 9 = 180 </em></u>
<u><em>Freda's share: 20 x 13 = 260</em></u>
<u><em>Geoff's share: 20 x 18 = 360</em></u>
Check:
180 + 260 + 360 = 800