Grandma distance remaining

We're going to Grandma's. We have already driven 30 km. We have 1/7 of the way ahead of us. How many kilometers is Grandma from us?

Final Answer:

b =  5 km

Step-by-step explanation:

30+7x=x  30+x/7=x  6x=210  x=6210=35  x=35  b=x/7=35/7=5 km



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