a farm has chickens that only lay white eggs and brown eggs. on a certain day, the chickens lay a total of 750 eggs in which the ratio of white eggs to brown eggs is 7:3. if the ratio of white eggs to brown eggs is to be changed to 3:4 by adding only brown eggs, how many brown eggs must be added

First white to brown is 7:3. Add the ratios: 7 + 3 = 10

Divide total eggs by 10:

750/10 = 75

Now multiply both parts of the ratio by 75: white eggs = 7 x 75 = 525

Brown eggs = 75 x 3 = 225

Part 2: change the ratio to 3:4 changing only the brown eggs.

You have 525 white eggs, divide that by 3 525/3 = 175

Now multiply 175 by 4: 175 x 4 = 700

You will need a total of 700 brown eggs, now subtract the orginal number of brown from 700:

700 - 225 = 475

You would need 475 more brown eggs.

475

Step-by-step explanation:

750 in a 7:3 ratio means there are 525 white eggs and 225 brown.

adding brown eggs to 525 white eggs to create a 3:4 ratio:

there would need to be 700 brown eggs, and you already have 225, so 700-225=475

answer: option a.

step-by-step explanation:

you know that the quadrilateral opqr ( a four sided figure) is inscribed in circle. this means that all its vertices are on the circle.

then, by definition, the opposite angles of the quadrilateral are supplementary, this means that the sum of their measures is 180 degrees.

you can observe in the figure that the angles ∠opq   and the angle ∠orq   are opposite, therefore:

then, can be used to d to calculate the measure of ∠opq

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