3 years ago

HELP ASAP

2 answers:

8 0

Answer:

$l = 5 + 3w. \\ p = 82. \\ p = 2l + 2w . \\ 82 = 2(5 + 3w) + 2w \\ 82 = 10 + 6w + 2w \\ 82 = 10 + 6w + 2w \\ 8w = 82 - 10 \\ 8w = 72 \\ w = \frac{72}{8} = 9. \\ width = 9cm.$

barxatty [35]3 years ago

4 0

Answer:

9 cm

Step-by-step explanation:

L = 5+3W

P = 82

=> P = 2L + 2W

82 = 2(5+3W) +2W

82 = 10+6W+2W

82 = 10+8W

8W = 82-10

8W = 72

W = 72/8

W = 9

so, the width = 9 cm

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