Answer:
The answer is A
Step-by-step explanation:
Find the area of the circle = pi x radius^2
Divide the area by 4 = area of sector
2.75 is 110%
2.75/1.1=2.50
Therefore, the main bill was two and a half dollars
1/2-1/4
Find its LCM which would be 4
So change the 1/2 to 2/4 and keep 1/4 the same since we already have the denominator we need so
2/4-1/4 = 1/4
Add 110 to both sides so you get -240
then divide it by 16 so you get x = -15
Check
-350 = -110+16(-15)
-350 = -110 - 240
-350 = -350
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I just finished learning this in my school xD</span>
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