Question

9 added to thrice a number gives 45 ,find the number.

(a) 12 (b) 13 c) 15 (d) 0

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Answer 1

Answer:

a.) 12

Step-by-step explanation:

Let the numbers be x.

Then according to the problem we have,

3x+9=45

or, 3x=36

or, x=12.

So the whole number is 12.

Answer 2

x = 12

9 + 3x = 45

3x = 45 - 8

x = 36/3

x = 12

hope this will help you