Best exercise to tone abs, legs, and arms?

Im already in pretty good shape, just a little bit of fat i have to burn. I don't have access to a gym but my father has a mini home gym with weights, which I'll be using for toning. Im currently working out 4 days a week for 30 minutes, i know it's not much but i plan of making my workouts longer as I... show more Im already in pretty good shape, just a little bit of fat i have to burn. I don't have access to a gym but my father has a mini home gym with weights, which I'll be using for toning. Im currently working out 4 days a week for 30 minutes, i know it's not much but i plan of making my workouts longer as I progress. What do y'all suggest? Also shoulld I workout for 45 minutes instead? I'm doing 15 brisk walking and the other 15 toning, should i do 30 minutes of toning and the 15 of brisk walking instead?
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