Respuesta :

Answer:

Group 1 has 20 cookies

Group 2 has 16 cookies

Step-by-step explanation:

4+5=9

36/9=4

4*4=16

5*4=20

Answer:

16:20

Step-by-step explanation:

16+20 is 36 and if you simplify the fraction 16/20 you get 4/5

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