The correct answer for this will be a because you can times them together hope this helps
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Answer:
A 30
Step-by-step explanation:
The exterior angle is equal to the sum of the opposite interior angles
100 = 70+x
Subtract 70 from each side
100-70 = 70-70 +x
30 =x
Let the horizontal distance is x and vertical distance is y and the distance between them is z
z^2 = x^2 + y^2
2z(dz/dt) = 2x(dx/dt) + 2y(dy/dt) divide by 2
z(dz/dt) = x(dx/dt) + y(dy/dt)
when y = 45 , x = 0 because the boy was under the balloon
after 3 secs: x = 15 * 3 = 45 , y = 5 * 3 = 15 , z = sqr(x^2 +y^2) = 75
z(dz/dt) = x(dx/dt) + y(dy/dt)
75(dz/dt) = 45(15) + 15(5) = 975
dz/dt = 13 ft/sec
You would need at least 5 people in the office.
150/32=4.6, but you cannot have 1/6 of a person so you would need to round up to 5 people.