The average age of a and b is 25 years if the age of C is 10 years what is the average age of a b and c
Answers
Answered by
3
a+b/2=25
a+b=50
a+b+c/3= ?
Substituting values from above
50+10/3=20
Answer is 20
Please mark as brainliest
a+b=50
a+b+c/3= ?
Substituting values from above
50+10/3=20
Answer is 20
Please mark as brainliest
Answered by
0
Answer:
20
Step-by-step explanation:
let x be the sum of the ages of a and b
a+b/2=x/2
x/2=25
x=50
age of c=10
a+b+c/3 is the averge age
a+b+c/3=x+c/3
which means 50+10/3=60/3=20
therefore average age of a,b,c is 20
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