"I'll tell what it is Frank: Cohen must learn the answers off by heart, and then he sets them down without working out the whole sum."
"Shouldn't wonder a bit," said Frank. "He's got a great memory, I know, and we always can tell from what part of the arithmetic Dr. Johnston is going to get the sums."
"But how can we make sure of it, Frank?" inquired Bert, anxiously.
"The only way is to get hold of his slate, and see how he works his sums out," replied Frank.
"Yes; but he takes precious good care not to let anybody see how he does them."
"So he does; but we've got to find out some way, and I'm going to do it, so sure as my name's Frank Bowser."
"How'll you manage it, Frank?" asked Bert, brightening up; for he really was a good deal troubled over Cohen's continued success, particularly as he felt so strongly that there was something wrong at the bottom of it.
"I don't know yet, Bert; but I'll find out a way somehow. See if you can't think of a plan yourself."
"I'll tell you what I'll do: I'll ask father about it," said Bert, in a tone that implied perfect confidence in Mr. Lloyd's ability to furnish a solution for any difficulty.
Accordingly, that evening, Bert laid the whole case before his father, who listened with judicial gravity, and then proceeded to ask a question or two: