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In Mathematics test 1/5 of the class scored very high 1/4 scored of the class scored hihg, and 1/2 scored fairly high. The others failed. What part of the class failed?

a. 19/20
b. 20/19
c. 1/20
d. 1/10​


Sagot :

Answer:

d

Step-by-step explanation:

yan po naka lagay sa module ko

Answer:

C

Step-by-step explanation:

1/5 + 1/4 + 1/2

4/20 + 5/20 + 10/20 = 19/20

20/20-19/20= 1/20