Mrs Felton us going to the mall to buy some clothes. She could buy 2 shirts and 3 pairs of pants for 65 dollars or she could buy 4 shirts and 5 pairs of pants for 115 dollars. How much does each shirt and each pair of pants cost.

14 total items...

Step-by-step explanation:

115 + 65 = 180

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Hop this will help!

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".

(x, y)→(x − 8, y − 7)

step-by-step explanation:

enjoy!