Step-by-step explanation:
let their ages x and 10x
and 10x - x= 54
9x= 54
x=6
so grand daughter 6 year old
grand father 10x6 = 60 year old.
this is correct method
for class 10
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Answers & Comments
Step-by-step explanation:
let their ages x and 10x
and 10x - x= 54
9x= 54
x=6
so grand daughter 6 year old
grand father 10x6 = 60 year old.
Step-by-step explanation:
this is correct method
for class 10