I believe his brother is 4 at the moment, since 4*3 is 12. in 4 years John will be 16 and his brother will be 8, and 8 is half of 16. so 16?
Adam pays for 2/5 of the meal so his father pays for 3/5
3/5 = 52.50
1/5 = 52.50 / 3 = 17.50
so cost of the meal = 5 * 17.50 = $87.50
The area of the associated sector is: 120π
<h3>What is a sector?</h3>
A sector is the portion of the area of a circle surrounded by an arc and two radii.
Analysis:
Area of a sector = ∅/360 x π
∅ = 75°
r = 24 units
Area of sector = 75/360 x π
= 120
square units
In conclusion, the area of the associated sector is 120π square units
Learn more about sector : brainly.com/question/22972014
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