pinnij20
27.06.2019 •
Mathematics
Perry set450 chairs up perry put 20 chairs in a row he already set up15 rows howmany more chairs he need to set up
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Ответ:
20 chairs per row
15 rows already set up
15×20=300
300 chairs already up
450-300=150
150 chairs left to set up
Ответ:
Step-by-step explanation:
radius=diameter/2
13/2
6.5
circumference of a circle=2πr
=2*3.14*6.5
=40.82 feet
=