there are 60 supermarkets in the fgh chain . all of them are either in the us or canada . if there are 22 more fgh supermarkets in the us than in canada , how many fgh supermarkets are there in the us ?
"x + ( x - 22 ) = 60 - - > x = 41 . answer : c ."
divide(add(60, 22), const_2)