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The class party started with five chocolate cakes cut in fourths as shown below in the example.


The Class Party Started With Five Chocolate Cakes Cut In Fourths As Shown Below In The Example class=

Sagot :

Answer:     7/20

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Explanation:

One large square cake cuts into 4 smaller slices

Since we have 5 such cakes that are cut like this, we have 5*4 = 20 slices all together.

Count the number of dark shaded slices that are shown in the lower diagram. We have 4+3+4+2 = 7+6 = 13 slices of cake that are left over. This must mean the class ate 20-13 = 7 slices.

The fraction of the cakes eaten is 7/20

Notes:

  • 7/20 = 35/100 = 0.35 = 35%
  • The fraction 7/20 cannot be reduced further because 7 and 20 have no common factors other than 1.