3 years ago

How do you solve this

Mathematics

1 answer:

zaharov [31]3 years ago

7 0

5 × 7,776 - 4 × 9
38,880 - 4 × 9
38,880 - 36
= 38,844

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sladkih [1.3K]

P = 2(l + w)
p = 356
l = 96

356 = 2(96 + w)
356 = 192 + 2w
356 - 192 = 2w
164 = 2w
164/2 = w
82 = w

check....
p = 2(l + w)
356 = 2(96 + 82)
356 = 2(178)
356 = 356 (correct)

so the width (w) = 82 cm

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