Problem: if 8 cats can kill 8 rats in 8 minutes , how long will it take 100 cats to kill 100 rats ?
Rationale: it will take 8 minutes for 100 cats to kill 100 rats . 1 cat can kill 1 rat in 8 minutes , so 100 cats can kill 100 rats in 8 minutes answer c
annotated_formula: multiply(8, const_1)