Mary is four years older than Sue. If the sum of their ages is 16, how old are Mary and Sue?
2 answers:
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Answer:
percentage of the total capacity is 75.6%
Step-by-step explanation:
Hello! To solve this problem we follow the following steps
1. draw the complete scheme of the problem (see attached image)
2. To solve this problem we must find the area of the circular sector using the following equation.(c in the second attached image)
3. observing the attached images we replace the values in the equations and find the area of the circular sector, remember that you must transform the angle to radians
4.we calculate the area of the total circle (At), then subtract the area of the circular sector (Ac) to find the area occupied by water (Aw)
Aw=At-Ac=153.93-37.57=116.36ft^2
5.Finally, we calculate the percentage that represents the water in the tank by dividing the area of the water over the total area of the tank
percentage of the total capacity is 75.6%
