Respuesta :

Answer:

15.5

Step-by-step explanation:

10.5 - 7 = 3.5

4 x 3 = 12

12 + 3.5 = 15.5

Answer:

15.5

Step-by-step explanation:

(10.5 - 7) + (4 × 3)

3.5 + 12 (Simplify parentheses)

15.5 (Add.)