Patty is inviting her friends to a party. she has 30 snack bars and 45 juice boxes, and she wants to give the same number of each item to each friend. use the drop-down menus to describe how many friends patty can invite. at most, patty can invite friends to the party. if she invites that many friends, each will receive snack bars and juice boxes.

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".

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step-by-step explanation:

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