Mr. Cho received a container of fresh eggs. He sold 1/3 of the eggs in the morning and sold 320 eggs in the afternoon. At the end of the day, he found that 1/4 of the eggs were not sold. How many eggs did he receive in the beginning?

Step-by-step explanation:

So the algebraic expression here is:

let x-be the number of received eggs

1/3x + 320=(1-1/4)x

1/3x + 320 = 3/4x

Transposing 1/3x to the other side:

320=3/4x-1/3x

320=9/12x-4/12x

320=5/12x

Multiply both sides by 12:

3840=5x

Divided them both by 5:

x=768

So the answer is 768 eggs.

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9.55 degrees.

step-by-step explanation:

the given angle is

1 cycle is equal to 2π radians. so 4π will be equal to two cycles.

5.166667π-4π = 1.166667π

hence, this angle goes a little more than negative x axis.

1.166667π-π= 0.166667π

hence, the reference angle is 0.166667π radians.

1 radian = 57.2958 degrees

now, in degrees, this should be equals to 9.55 degrees.

0 is its x and y coordinate