Respuesta :
Answer:
A : 3n - 15 + n = 101
Step-by-step explanation:
Solution:-
- We will denote a number as "n".
- The result of 3 times itself less 15 would be:
3*itself - 15
itself = n
3*n - 15
- Then a number "n" is added to the above result:
3*n - 15 + n.
- The result of above expression is 101:
3*n - 15 + n = 101
- Option A is the correct answer
Answer:
The correct option is;
3·n – 15 + n = 101
Step-by-step explanation:
Here we have, a question with a word problem
the equation stated is n + (3 × n - 15) = 101
We analyze each of the options to find the correct one as follows;
(a) 3·n – 15 + n = 101
The above equation is equivalent to the equation in the solution above hence it is correct
(b) 3·n + 15 + n = 101
Here 15 is added to 3 times n, therefore it is not correct
(c) 3·n – 15 – n = 101
Here n is subtracted from 3·n - 15 so it is in error
(d) 3·n + 15 – n = 101
Here also n is subtracted while 15 is added so it is not correct.
