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haileysolis5
06.01.2020 •
Mathematics
The scale of a model airplane is 1: 72.
if the wingspan on the model airplane is 7 inches, then the actual wingspan is
a. 540 feet
b.72 feet
c. 45 feet
d. 9.6 feet
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Ответ:
Ответ:
A-3(a-b)
A-3a+3b
-2a+3b