Mrs. richard uses 115 1/2 cups of flour to make 2 3/4 dozen cakes. how many cups of flour does mrs. richard need to make a dozen cakes?

Mrs. Richard will need 42 cups of flour to bake 12 cakes or a dozen cakes.

Step-by-step explanation:

Number of cups of flour Mrs. Richard used to bake 2 3/4 doze cakes = 115 1/2

Number of cakes Mrs. Richard baked = 2 3/4 dozens

How many cups of flour does Mrs. Richard need to bake a dozen cakes?

Number of cakes Mrs. Richard baked = 2 3/4 dozens

Number of cakes Mrs. Richard baked = 2 3/4 * 12 (To find out the exact number)

Number of cakes Mrs. Richard baked = 11/4 * 12

Number of cakes Mrs. Richard baked = 11 * 3 = 33 (Dividing by four)

If Mrs. Richard needed 115 1/2 cups of flour for baking 33 cakes, how many cups she will need to bake 12?

Using the rule of three simple, we have this:

(115 1/2 * 12) / 33 = 1,386 / 33 = 42

Mrs. Richard will need 42 cups of flour to bake 12 cakes or a dozen cakes.

7. d. 64

8. i. 32

9. c. 125

10. j. none of the above

11. d. 81

12. i. 216

13. e. none of the above

14. g. 240

15. e. none of the above

16. g. 32

17.   e. none of the above

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step-by-step explanation:

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