Answer:
512
Step-by-step explanation:
:)
Answer:This answer is "512"
Step-by-step explanation: Keep multiplying the numbers times two. Such as 1 x 2 = 2, 2 x 2 = 4 4 x 4 = 8 and so on.
4 years.
Let the number of years be x, then:
x + 47 = 3(x + 13)
x + 47 = 3x + 39
3x - x = 47-39
2x = 8
x = 4.