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Serggg [28]
3 years ago
10

The Pet Palace is replacing its dog training arena with a new arena with dimensions that

Mathematics
1 answer:
babunello [35]3 years ago
6 0
(A) 450 ft squared.

First, calculate the old arena's dimensions. 
10 x 15 = 150.

Calculate the new arena's dimensions.
20 x 30 = 600.

Now subtract 150 from 600.
600 - 150 = 450. 

Hope I helped!
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