Brianna is keeping track of her calcium intake for a nutrition challenge at school. So far, she drank 1 glass of milk with breakfast and
Brianna is keeping track of her calcium intake for a nutrition challenge at school. So far, she drank glass of milk with breakfast and glass with lunch. Each glass had milligrams of calcium. If her goal is to have gram of calcium every day, how many more milligrams does Brianna need?