He buyed 240 cards because
20
x
12
-----
40
+
20
-------
240
A:
Area: 289 m
Perimeter: 51 m
B:
Area: 4 m
Perimeter: 8 m
Answer:
5 hours
Step-by-step explanation:
31-11 = 20
20/4 = 5
Answer:
20cm squared
Step-by-step explanation:
Answer:
B
Step-by-step explanation:
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