Choose the ratio that you would use to convert 2.5 meters to centimeters

the answer is C.

Step-by-step explanation:

100cm/1m (that's my ratio)

Step-by-step explanation:

100 centimeters make up one full meter. To solve this, we just times 2.5 times 100. We get 250. Soin 2.5 meters, there are 250cm.

My ratio is 250/2.5

Another ratio is 100/1

Hope this helps!

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450 is the final answer! : )

he used the algebra tiles correctly.

step-by-step explanation:

given : 3x(2x-1)

solution :

since he used algebra tiles .

armando's solution is the same in the solution shown in figure

as he distributed 2x into x and x and wrote them vertically

and also write   -1 vertically

and 3x into x and x and x and wrote it horizontally

performing the multiplication in the algebra tiles we get

and solving the given expression :

3x(2x-1)

since solving the expression using tiles   and solving the expression algebraically we get the same answer

thus   we can choose the first statement as the answer to this problem which is "he used the algebra tiles correctly".