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Answer:
The number is 24
Step-by-step explanation:
Let the two digits number be ab
In real terms, this is 10a + b
So, we have that the sum of the digits subtracted from 10a + b is 18
Mathematically, we have this as;
10a + b - (a + b) = 18
10a + b - a - b = 18
9a = 18
a = 18/9
a = 2
We are also told that the digit at the units place b is double the digit at the ten’s place a
That means b = 2a
b = 2 * 2 = 4
Hey there! :D
In terms of the scientific method, the purpose of an experiment is:
to collect data.
The experiment helps to collect data and to determine whether the hypothesis is true or invalid.
I hope this helps!
~kaikers
Since the father’s age is represented by 7(s+3)-2, s=son’s age, and s+father’s age=52, fathers age=52-s.
Therefore 7(s+3)-2= 52-s.
X=-12
You have to divide by -1
