Joaquin is thinking hard about equations and inequalities and comes up with this idea: If 45 + 47 = t, then t = 45 + 47. So, if 45 + 47 < t, then t < 45 + 47.
Is he right? Explain why or why not.

Sanderson is having trouble with his assignment. his shown work is as follows: − 3 7 7 3 = − 3 7 × 7 3 = − 21 21 = −1 however, his answer does not match the answer that his teacher gives him. complete the description of sanderson's mistake. find the correct answer.