Respuesta :

Answer:

5 * 2 is 10 + 5 and then 15 * 2 + 15 45 * 2 + 45

Step-by-step explanation:

times it by to add that number

Answer: You are multiplying the number in front by 3

Step-by-step explanation: 5 x 3=15 and 15 x 3=45 and 45 x 3=135.