If 1 kilometer is approximately 0.6 mile, which of the following best approximates the number of kilometers in 7 miles?  Select the correct option
A) 22/5 B) 20/5 C) 15/5 D) 21/5 E) 16/4
1 km is approxmately equal to 0.6 miles   So 7 km = 7*0.6= 
<gadget id="calculator">7*0.6</gadget>
<output>4.2</output>
4.2 miles . Multiple &amp; divide by 10   i.e 4.2*10/10= 42/10 = 21/5   Answer : 21/5
<result>D</result>
If 1 kilometer is approximately 0.6 mile, which of the following best approximates the number of kilometers in 7 miles?