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21-01-2021
Mathematics

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the sum of 2 numbers is 100. one number is 5 less than twice the other. find the 2 numbers.

Respuesta :

21-01-2021

Answer:

35 and 65

Step-by-step explanation:

Let the two numbers be x and y.

Thus

x + y = 100

and

x = 2y - 5

Now substitute for x in the first equation and get

2y - 5 + y = 100

3y - 5 = 100

3y = 105

y = 35 and since they add to 100,

x = 65

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