The owner of an office building is expanding the length and width of a parking lot by the same amount. The lot currently measure
s 120 ft by 80 ft, and the expansion will increase its area by 4,400 ft2. By how many feet should the length of the parking lot be increased? A = lw 1.2 f
2 answers:
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Answer:
9
Step-by-step explanation:
Hello
When you have two negative symbols, you have to multiplied them, so:
-*-= +
+*+= +
+*-=-
-*+ = -
You can to do more research lookin this: "Algebraic operations with symbols" or "The sign´s law"
I attached a illustrative image about this.
Then,
5 - (-4) <em>(here is with -*- )</em>
5 + 4
9
Best regards
