• Rajan has 12 pens with him, some blue and the remaining red. The number of blue pens is 10 more than the red pens.
How many blue pens, how many red???

you have 6 cupcakes

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".

omg what happend to your question? if you could edit this question i can

step-by-step explanation:

answer

false

explanation

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