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2 votes
This is my last one I’m happy

This is my last one I’m happy-example-1
User Andy Stuhl
by
9.0k points

1 Answer

2 votes

Answer:

105

Explanation:

So, we know the formula is:

D=rt or D=r*t

We only need 2 of the 3 sets of values given in the table, one to find our answer, and the other to double check our answer.

Here are the two sets we can look at:

t=2, d=210

t=3, d=315

Lets plug these in and solve:

210=r*2

Divide both sides by 2 to get r alone:

105=r

Now lets check if this is true by pluggin in 105 for r in the second set, and seeing if it works:

D=r*t

315=105*3

=

315=315

So 105 is our answer.

Hope this helps!

User Radu Gheorghe
by
9.0k points

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