1. "Legs?" said Lola. "Was the bus crowded, then?" "Not at all, but it seemed all legs," Mustafa replied. "But there were a number of dogs, and there were as many dog legs as one more than seven times the number of us passengers. Then our own human legs totalled one more than the number of dogs on the bus." How many dogs?

9 dogs, 5 humans

11 dogs, 6 humans

7 dogs, 9 humans