marleearcher marleearcher

21-11-2017
Mathematics

contestada

five years ago, Kemar was 1/3 as old as her father was then. in five years, Kemar will be half as old as her father will be then. Find there ages now.

Respuesta :

jorel1380 jorel1380

22-11-2017

Let k be Kemars age 5 years ago, and 3k be her father's age then. Then
2(k+10)=3k+10
2k+20=3k+10
k=10
3k=30
Kemar is now 15; her father is 35
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