Answer: -1
Step-by-step explanation:
Considering order of operations, multiplication takes a higher precedent than subtraction. Therefore, you do the multiplication first.
3)
How do I do this? I don't understand the concept of proofing... please help
1 answer:
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See diagram
so the length and width of the outside walkway is 5+2.5+2.5 and 6+2.5+2.5 or 10 and 11
the perimiter=2(L+W)=2(10+11)=2(21)=42ft
need 42 ft of fencing
so the length and width of the outside walkway is 5+2.5+2.5 and 6+2.5+2.5 or 10 and 11
the perimiter=2(L+W)=2(10+11)=2(21)=42ft
need 42 ft of fencing