Question

Ethan is 3 inches taller than daisy.let x = ethan's height.write an expression that represents daisy's height.explain how you decided which operation to use in your expression

Answer 1

If Ethan is 3 inches taller than Daisy then this means that whatever is the height of Ethan, Daisy's height should be 3 inches shorter than that. Therefore, if Ethan's height is equal to x then, Daisy's height is equal to x - 3.