Answer:
1 = 44° (Opposite angles>
2 = 77° (By Angle sum property of a triangle)
3 = 82° ('' '' ' '' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ''')
0.3 divided by 1.8 is 0.16
Answer: 7 students in each group
Explanation: 42 divided by 6 = 7
Dollars
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Students
Dollars: 95 x
--------------------- = ------
Students: 20 162
Cross multiply: 95(162) = 20x
15,390 = 20x
----------------------
20 20
769.5 = x
Therefore, it will cost $769.50 for 162 students to visit an aquarium.