A sale on dog food that costs $10 a bag says buy 1, get one \tiny \frac{1}{2} off. What is the true percent discount on the dog food?

How do you use the additive inverse to evaluate an expression that uses subtraction in a full sentence

Sheila wants to bake six muffins but the recipe is for 12 muffins . this means you only need half of the ingredients listed how much of the of each ingredient does she need? one cup and banana chips ,7 tablespoons oil , two eggs, 3/4 cups flour 1/4 cup walnuts show all you work and justify your answer using a baby toulmin.

Equation for the calculation double 2 and then add 5