is this the right amount of food/formula for his age?

730am 100ml formula and 1 weetbix with 50ml formula
930am baby yog and a plain biscuit
1030am 100 to 150ml fomula
1230pm jar food or toast
300pm fruit and plain biscuit
500pm veggies and sometimes chicken or meat
730 to 8pm 150ml formula

is this enough formula? he doest really want much of it anymore.