hight is at 6ft 4-5 inches (193 cm)
weight is about 90-100 kilo
ATM what i do is 30 minutes on the treadmill for 30mins doing 3-4 KM, Traveling at 7-8 KPH and loosing aprox 220-360 calories
Then i do 15 minutes on bike and do a few KM
Then i do the rowing machine 50-100 reps about 2-3 days (its an old rowing machine, it has to bars that you pull down)
then 90-100 crunches
I have had weights for 1 day first time using them, yesterday was monday and i did chest and biceps workouts
Chest:
bench press: flat bench 3*16 (20kilo including bar)
bench press: Incline one 3*16 (20kilo including bar)
bench press: incline two 3*16 (20kilo including bar)
Bicep:
Did the pulling up thing 3*16
preachers 3*16 each arm
Flat Bench Dumbbell Flyes (until i couldnt continue)
Dumbbell Pullovers (until i couldnt continue)
between sets about 30-90 second rest
Now i have some questions:
1. should i do cardio and strenght training in same night, for how long, ratio of weight training and cardio of what i should do.
2.should i do 3 days weights 3 days cardio 1 day off
3. with equipment, not at gym

DIET:
breakfast: 3-4 Weat-bix
lunch: saled roll with cheese letuce, mayneaise chicken or ham
tea: what ever mum cooks, mostly veggies and sausages or steak just meat in general.
snacks: i changed it to healthy food now so fruit like apples bannanas peaches nectarines and dried fruit.
Please help me

also could i loose much weight by doin free weights every night with finishing off with a 1-2km run ?