Problem: a student chose a number , multiplied it by 5 , then subtracted 275 from the result and got 135 . what was the number he chose ?
Rationale: "let x be the number he chose , then 5 ⋅ x − 275 = 135 5 x = 410 x = 82 correct answer b"
annotated_formula: divide(add(135, 275), 5)