sweets

Part 1[multiplication]
I have 4 sweets.My friend has 10 times more then me.How many sweets does my friend have?

Part 2[division]
My friend halved his sweets with his younger brother.How many sweets does he have now?

Part 3[addition]
My mum gave me 10 more sweets.How many do i have now?

Part 4[subtraction]
My friend eats more then 10 sweets but less then 12 [no decimal numbers].How many did he eat?How many does he have left?