the age of two girls together is 15 years.one is 11 year older than the other. what is the age of younger one?
Answers
Answer: 13 & 2 yrs
Step-by-step explanation:
Let the age of one girl be x yrs.
Total of ages= 15
Thus, other girl's age = (15-x) yrs
It is given that one is 11 year older than the other, so.....
x + 11 = 15 - x
x + x = 15 - 11
2x = 4
x = 4/2 = 2 yrs
Other age = 15-x = 15 -2 = 13 yrs
Answer:
Age of the younger girl is 4 years
Explanation:
Given
- Sum of ages of two girls is 15 years
- One is 11 year older than the other
To Find
- What's the age of the younger girl.
Solution
Let age of younger girl = x
Age of older girl = x + 11
According to the Question
Age of younger girl + Age of older girl = 15
⟹ ( x ) + ( x + 11 ) = 15
⟹ x + x + 11 = 15
⟹ 2x + 11 = 15
⟹ x = 15 - 11
⟹ x = 4
Age of the younger girl = x = 4 years.
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