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C-1,800

Step-by-step explanation

.2*1800=360

Mark brainliest,rate,and thanks

20% = 5th of the people so 5*360= 1800

Or 20%=.20 360/.20=1800

Step-by-step explanation:

it's equivalent, so we can say that its equal.

let's call the denominator x and the numerador is 18 less then denominator, x - 18.

multiply

2.x = 5.(x - 18)

2x = 5x - 90

90 = 5x - 2x

90 = 3x

x = 90/3

x = 30

so:

all the angles opposite to the angle 150 would be 150 and all the angles that are next to 150 are 30 because they equal 180 it you add it up.

step-by-step explanation: