Question

joney is six years older than his yonger sister after 10 years the sum of there ages will be 50 find the present age​

Answer 1

Step-by-step explanation:

younger sister=x

joney=x+6

after 10 years

sister=x+10

joney=x+16

x+10+x+16=50

2x+26=50

x=12

sister=12

joney=18

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Answer 2

Answer:

joneys present age is18 years anh her yonger sisters age olis x-6=18-6=12years

Step-by-step explanation:

let

joneys age be x

his younger sisters age be x-6

after 10 years

joneys age will become x+10

his sisters age will become x-6+10=x+4

sum of there ages is 50

i.e.

x+10+x+4=50

2x+14=50

2x=50-14

2x=36

x=36/2

x=18

therefore joneys present age is18 years anh her yonger sisters age olis x-6=18-6=12years