sitashrestha1883 sitashrestha1883

23-02-2021
Mathematics

contestada

The number of two digits which is such that, the
sum of the digits is 12 and the digit in the unit
place is three times the digit in tens place is:
a. 39
b. 40
c. 41
d. 42

Respuesta :

Аноним Аноним

23-02-2021

Answer:

39

Step-by-step explanation:

one number = x

another = 3x

x+3x = 12

4x = 12

x = 12/4 = 3

units place = 3x = 9

tens place= x = 3

number = 39

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