Kylie installed a fence along the 500-foot perimeter of her rectangular backyard. She left an opening for a gate. In the diagram
below, she used n to represent the length, in feet, of the gate. What is the value of n?
A. 5
B. 10
C. 20
D. 40
A. 5
B. 10
C. 20
D. 40
2 answers:
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Answer:
10 and 11
Step-by-step explanation:
Let the first integer be x.
Then the next one, since it's consecutive, must be (x+1).
The two equals 21. Thus:
Combine like terms:
Subtract 1 from both sides:
Divide both sides by 2:
So, the first integer is 10.
And the second integer is 10+1=11.