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80% of the houses on main street where decorated for Christmas if there were 36 decorated houses how many houses on main street were not decorated for Christmas?

Respuesta :

Answer:

9 houses were not decorated for christmas

Step-by-step explanation:

If 80% were decorated, then 20% were not decorated

80 to 20 is a ratio of 4 : 1

So the number of decorated houses is 4 times the number of undecorated houses

The number of undecorated houses will be

36/4 = 9

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