 
<translate> Tony yana motsa jiki kowace safiya ta hanyar yin tafiyar mil 3 yana ɗauke da jakar baya mai nauyin kilo 25, sai ya yi tafiyar mil 10 ba tare da jakar baya ba. Idan ya yi tafiya da saurin mil 3 a awa daya kuma ya yi gudu da saurin mil 5 a awa daya, sa'o'i nawa ne yake yi a kowane mako yana motsa jiki? Bari mu zama daidai kamar yadda zai yiwu. <eng> Tony exercises every morning by walking 3 miles carrying a 25-pound backpack, then he runs another 10 miles without the backpack. If he walks at a speed of 3 miles per hour and runs at a speed of 5 miles per hour, how many hours each week does he spend exercising? Let's be accurate as possible. 