Respuesta :
A 4x25=100 10x10=100 making 100 a common multiple of 4 and 10.
Answer:
A) 100
Step-by-step explanation:
When looking for a common you can move up the times tables of each number until you find a matching pair. 10x10=100 and 4x25=100. By looking for common answers through the times tables you can more easily find a common multiple.