Answer :

Answer:

1a, 1b, 1c, 1d, 2a, 2b, 2c, 2d, 3a, 3b, 3c, 3d, 4a, 4b, 4c, 4d, 5a, 5b, 5c, 5d

20x2 = 40

Step-by-step explanation:

you half ot do the a1,a2,a3,a4 you get what i mean

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