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daniel1480
19.02.2021 •
Mathematics
Please help me this is a test and I need it done now.
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Ответ:
65 and 325
Step-by-step explanation:
(l+w)*2 = 780
l+w = 390
l = 5w
5w + w = 390
6w = 390
w = 65
length = 325