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Vinil7 [7]
3 years ago
12

Tomas's grandfather is 100 years old. Tomas's grandfather is 10 times as old as Tomas. How old is Tomas?

Mathematics
2 answers:
ch4aika [34]3 years ago
5 0

Hey there!

Answer:\boxed{10}

Explanation:

Since Tomas's grandfather is 100 and he is 10 times older than Tomas, let's divide 100 by 10.

100/10=10

Now let's try multiplying 10 by 10 to see if it is equal to 100.

10\times10=100

So that means that Tomas is 10.

Hope this helps!

Eva8 [605]3 years ago
3 0

Answer:

tomas is 10

Step-by-step explanation:

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For solving this question we need to find out the z-scores for both methods,

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Answer:

C. 13 and 14

Step-by-step explanation:

They notice that the square root of 182 is between 13 an 14, and it gives them the idea that the numbers 13 and 14 are the solution.

Let n be the smaller of the two consecutive integers.

   Then the other integer is  (n+1).

   We are given that  

      n*(n+1) = 182.

   Simplify

      n^2 + n - 182 = 0,

   Factor left side

      (n-13)*(n+14) = 0.

   The solutions are  n= 13  and  n= -14.

   You may check that both of them satisfy the problem' condition, giving you two answers

       the pair  (13,14)  and the pair  (-14,-13).

 

Many people prefer to solve this problem in a short way.

   They notice that the square root of 182 is between 13 an 14,

   and it gives them the idea that the numbers 13 and 14 are the solution.

   Then these people get the next idea that if the product of 13 and 14 is equal to 182,

   then the product of the opposite numbers is also 182, so

           both the pairs (13,14)  and  (-14,-13)  are solutions.

Solved and explained in detailed and short modes.

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