question_answer

                        The greatest possible length which can be used to measure find the lengths \[7\text{ }m,\text{ }3\text{ }m\text{ }85\text{ }cm,\]\[12\text{ }m\text{ }95\text{ }cm\] exactly.

A)  \[15\text{ }cm\]         

B)    \[25\text{ }cm\]         

C)    \[35\text{ }cm\]         

D)    \[\text{42 }cm\]