 
<translate> A cikin shekara biyar, shekarun Rehana za su ninka na Phoebe sau uku. Idan a halin yanzu Rehana tana da shekaru 25, kuma Yakubu, ɗan'uwan Rehana, yana da shekaru 3/5 na shekarun Phoebe na yanzu, shekarunsa nawa ne yanzu? Bari mu yi tunani da farko. Sarkar tunani: <eng> In five years, Rehana will be three times as old as Phoebe. If Rehana is currently 25 years old, and Jacob, Rehana's brother, is 3/5 of Phoebe's current age, how old is Jacob now? Let's think first. Chain of thought: 