How many integers between 324,700 and 375,600 have tens digit 1 and units digit 3? Choose the correct option.
A) 509 B) 624 C) 756 D) 832 E) 947
The integers are:   324,713   324,813   etc...   375,513   The number of integers is   3756 - 3247= 
<gadget id="calculator">  3756 - 3247</gadget>
<output>509</output>
509   The answer is 509.
<result>A</result>
How many integers between 324,700 and 375,600 have tens digit 1 and units digit 3?