4/9 of the distance to grandma's house can be covered in 8 minutes.how long will it take to reach grandma's house?
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let the distance be s
time taken to 4/9 of s , 4/9*s=8 min
to cover s, t= (8*9)/4= 18 min
time taken to 4/9 of s , 4/9*s=8 min
to cover s, t= (8*9)/4= 18 min
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