time period day 1 day 2 day 3 day 4 day 5 day 6 day 7 breakfast calories breakfast fat breakfast protein activity before lunch lunch calories lunch fat lunch protein activity before dinner dinner calories dinner fat dinner protein activity before breakfast =b2+b6+b10 insert the formula on line 15 change the b's to c's for column c etc. total input for day 0 0 0 0 0 0 0 total use for day 0 0 0 0 0 0 0 =b5+b9+b13 insert the formula on line 16 change the b's to c's for column c etc.