Question

Please find the answer
Please help me ​

Answer 1

Answer:

The parent age is 53 years

PLESSE MARK AS BRAINLIST

Answer 2

Answer:

elder sister age=35

small sister age=25

Step-by-step explanation:

let elder be x

and younger be y

x-y=10

15 years ago

elder=x-15

younger=y-15

elder is twice old as younger 15 years ago

x-15=2(y-15)

x-15=2y-30

x+15=2y

y=x+15/2

x-y=10

x-(x+15/2)=10

x-15=20

x=35