salterappraisal51741 salterappraisal51741

23-04-2018
Mathematics

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A restaurant offers three specials. a total of 40 of special a is order, 60 of special b, and 20 of special
c. 7 customers order both a and b, 6 customers order both b and c, and 3 customers order both a and
c. 2 customers order all three. how many customers were there total?

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carmenpridgen13 carmenpridgen13

27-04-2018

i think 18 but i dont know

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