Respuesta :
Answer:
B) 21
Step-by-step explanation:
Because 3×3=9 and 2×5=10
If you switch it, 3×2 and 3×5, that is equal to 6 and 15.
6+15=21
Answer:
B) 21
Step-by-step explanation:
Because 3×3=9 and 2×5=10
If you switch it, 3×2 and 3×5, that is equal to 6 and 15.
6+15=21