Answer:
10
Explanation:
Make our unknown equal to x, in this case his current age.
In 20 years he will be three times as old as he is now, in other words:
x + 20 = 3x
Now solve the equation:
20 = 3x - x
20 = 2x
10 = x
Answer: The Best Answer
Explanation: Why would the best answer need an explanation?
Hope this helps!
Answer:
4g = 8
You would just have to divide 4 on both sides. The 4's would cancel out and now your left with 8÷4 = 2
Your answer would be
g = 2
Answer:
6
Step-by-step explanation:
There is no perfect square root of 40 but when calculated it would be 6.33 which rounds down to 6.
Answer:
B
Step-by-step explanation:
The solution is the point of intersection, which is (-1, 3)
