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At mattresses shop, 75% of the mattresses are memory foam and 20% are extra firm. Of the total mattresses at Mattress shop, 12% are extra firm memory foam mattresses. What percentage of the total mattresses are not extra firm non-memory foam mattresses?
E. 8
F. 17
G. 63
H. 80

At mattresses shop 75 of the mattresses are memory foam and 20 are extra firm Of the total mattresses at Mattress shop 12 are extra firm memory foam mattresses class=

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tshaji752

Answer:

9

Step-by-step explanation:

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