dizzy1111
02.10.2020 •
Mathematics
Devi bought 7 skirts at $x each, n skirts at $12
each, (2n + 1) skirts at $15 each and 4 skirts at
$3x each. Find the total cost of the skirts she bought.
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Ответ:
Step-by-step explanation:
m∠2=m∠4=120° ( vertically opposite angles)