Answer:
The value of the given expression is 84.
Step-by-step explanation:
The given expression is

The number 252 can be written as 240+12, because 24 can easily divisible by 3.
The compatible numbers are 240 and 12




Therefore the value of the given expression is 84.
I cant understand the question but please re write this because im lost
Answer:
1155
Step-by-step explanation:
let the ratio be 4x:11x
4x=420
x=105
11x=11*105
=1155
Answer:
The number is 3.
Step-by-step explanation:
To find : A number which decreased by 12 equals 3 times it’s opposite ?
Solution :
Let the number be 'x'.
It's opposite is '-x'.
A number which decreased by 12 equals 3 times it’s opposite
i.e. 
Solving the equation,





Therefore, the number is 3.