Question

Seven added to thrice a number makes four times the number. What is the number? Full explanation.​

Answer 1

Answer:

Ten added to thrice a number gives five times the number.

To Find : number

Solution:

Let say Number = N

Ten added to thrice a number  = 3N + 10

five times the number.  = 5N

Equate both

=> 5N = 3N + 10

=> 2N = 10

=> N = 5  

Number is 5

Ten added to thrice a number  = 3(5) + 10 = 25       = 5(5)

Step-by-step explanation:

Answer 2

Answer:

ans 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.