Question

Hari is 10 years old and Mani is x years old, if the sum of their ages is
multiplied by 4, the answer is 100. How old is Mani?
Mani is
years.​

Answer 1

Answer:

Hari age=x+10

mani x

so,4(x+x+10)=100

=4x+4x+40=100

=8x=100-40

x=60/8

Answer 2

Answer:

15

Step-by-step explanation:

hari=10 yrs

mani =x

sum of their ages i.e 10+x

multiplied by 4 i.e.4(10+x)

they are saying it is equal to 100

4(10+x)=100

x=15