Answer:
109
Step-by-step explanation:
81-19 is 62. if you add 109 then you could do 109-19 is 90
Variable: $175=P $40=L $375=TB
x=TB-P/L
Equation: $375-$175/$40=5
This means that the amount of hours you paid for is 5 hours.
It is 132 inches...............
Area = π r²
area of the required sector = (80/360) π * 15²
≈ 157.08