Answer:
Follows are the solution to this question.
Step-by-step explanation:
Please find the solution file for the question in the attachment.
Answer:
B.0
Step-by-step explanation:
4-2x2+2/2-1
4-4+1-1
0+0
0
When multiplying 0.21 by 1, the answer is always the other than 1. Also, this rule applies to any math problem. The correct answer is 0.21.
Let ‘s’ be the son’s age 12 years ago.
Let ‘f’ be the father’s current age.
4 years ago, the son was:
s-4
So, his father is currently:
3(s-4)
=
3s-12
Therefore:
f = 3s-12
In twelve years, the son will be:
s+12
And the father will be:
f+12
This can also be written as:
3s-12+12 as the fathers younger age would be f = 3s+12
=
3s
So, we know that s+12 is half the fathers current age, meaning the father is currently 2(s+12) which is equivalent to 2s+24. Also, we know that the father is currently 3 times the sons age 12 years ago, so 3s (proven by the calculations we made above). Therefore, 2s+24=3s which means 24=s. We can then substitute this, and we will receive 24+12 = 36
Son’s current age: 36
We then substitute the son’s age 12 years ago into 2s+24 to give us the father’s age.
2(24)+24 = 72
Father’s current age: 72
Answer: The answer is 0.2
Step-by-step explanation: 2.4g / 12 minutes
0.2g/minutes
