duolingocom4 duolingocom4 29-03-2017 Mathematics contestada Mrs. Smith has 4 fewer kids in her class than Mr. Jones has in his class. If Mr. Jones has Δ kids in his class, write an expression that describes how many kids Mrs. Smith has in her class. A) Δ+ 4 B) 4 - Δ C) Δ - 4 D) 4÷Δ
