anne bought doughnuts for a class breakfast party . she bought 12 chocolate doughnuts , 12 coconut doughnuts , and 10 jam - filled doughnuts . how many doughnuts did anne buy in all ?
"add the numbers of doughnuts . 12 + 12 + 10 = 34 . answer is b ."
add(add(12, 12), 10)