An optometrist charges $150 per pair for soft contact lenses and $85 per pair for hard contact lenses. Last week she sold 5 more pairs of soft lenses than hard lenses. If her total sales for pairs of contact lenses last week were $2,395, what was the total number of pairs of contact lenses that she sold?	Pick
A) 11	B) 13	C) 15	D) 17	E) 19
(x+5)*150 +x*85=2395   =&gt;x=7   total lens=7+(7+5)= 
<gadget id="calculator">7+(7+5)</gadget>
<output>19</output>
19   Answer 19
<result>E</result>
An optometrist charges $150 per pair for soft contact lenses and $85 per pair for hard contact lenses. Last week she sold 5 more pairs of soft lenses than hard lenses. If her total sales for pairs of contact lenses last week were $2,395, what was the total number of pairs of contact lenses that she sold?