Question

Weiming is 12 years old and his mother is y years older than him. How old is his mother?​

Answer 1

Answer:

12+y=y

y-y=12

-y=12

12+y=12y

y devided by 12

-12y

Answer 2

Weiming's mother is (y + 12) years old

Given :

Weiming is 12 years old and his mother is y years older than him.

To find :

The age of Weiming's mother

Solution :

Step 1 of 2 :

Write down age of Weiming

Here it is given that Weiming is 12 years old

Step 2 of 2 :

Calculate age of Weiming's mother

Weiming is 12 years old and his mother is y years older than him.

Weiming's age = 12 years

The difference between their ages = y years

In order to calculate age of Weiming's mother we need to add Weiming's age and the difference between their ages

∴ The age of Weiming's mother

= Weiming's age + The difference between their ages

= 12 years + y years

= (12 + y) years

= (y + 12) years

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