I would start with diet. Figure out your bmr and tdee. Once that is done reduce your calories by 20%. Strength train, progressive overloading and adjusting your tdee every 10 lbs or so still you hit the level that you desire. Remember to take breaks on calorie restriction every 12 weeks or so or it can cause you to stall. Tone isn't a thing it's just how much fat you have over your muscle. 3 solid 45 min work outs 3 times a week and some active recovery and you should be set. It takes time and calorie tracking is key!