Sofifi2004 Sofifi2004

03-05-2017
Mathematics

contestada

There are 40 tables in a library, with 30% of them seating 4 people. The tables remaining only seat 2 people. How many seats are there in the library?

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grafael grafael

03-05-2017

104 because 30% of 40=12 and 12*4people=48 seet
70% of 40 =28 and 28 *2 people =56 seets and add them all = 104

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