15. A grocery display of cans is arranged in the form of a pyramid 1 canin the top row, 3 in the second row from the top, 5 in the third row, and7 in the fourth row. The total number of cans c equals 2 times the row rminus 1. Use the equation c=2r-1 to complete the tableCans.

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15 A grocery display of cans is arranged in the form of a pyramid 1 canin the top row 3 in the second row from the top 5 in the third row and7 in the fourth row class=

Respuesta :

when we put 
5th row in equation we get c=2x5-1
                                             =>c=10-1
                                             =>c=9
in each row can s + by 2

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