Answer:
For the sum of the digits of Michelle’s father to drop to 1/3 of its’ former value, the second digit must go from 9 to 0, in one year.
Thus, if he is 39 this year, the sum of the digits of his age will be 12. Next year, when the sum of the digits would be 4+0, or 4, then the digits of his age would be 1/3rd of their former value.
Therefore, he is 39, and will be 40 next year
Step-by-step explanation:
Answer:
Step 1
Step-by-step explanation:
You distributed the 2 in 2(x-4) to get 2x-8
Answer:
x = 22
Step-by-step explanation:
x = 7 + 15
x = 22
Answer:
10, 4, 8
Step-by-step explanation:
10 - 4 = 6
4 - 4 = 0
8 - 4 = 4
Answer: 120 cm
Step-by-step explanation:
V = a^2 h/3