onaloubenedict onaloubenedict

11-08-2021
Mathematics

contestada

When I add 45 to a certain number and divide the sum by 2, the result is the same as 5 times the number. What is the number?

Respuesta :

reinhard10158 reinhard10158

20-08-2021

Answer:

5

Step-by-step explanation:

(45 + x) / 2

add 45 to a certain number and divide the sum by 2

= 5 × x

is 5 times the number

(45 + x)/2 = 5x

45 + x = 10x

45 = 9x

x = 5

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