A disease has infected an ant colony that consists ofworkersandsoldiers: 30% of the soldiers and 14% of theworkerswere infected. If that colony is inhabited by 7000 ants, out of which 1860 are infected, how manyworkersinhabit the colony? Choose the correct choice from the following:
A) 1500	B) 2500	C) 2750	D) 3000	E) 3250
From two question we get wo equations:   (1) 0,3s + 0,14w = 1860   (2) s + w = 7000   From (2) we get w=7000-s   In (1) 0,3s + 980-0,14s= 1860   0,16s=880   88000:16= 5500 =s   In (2) 5500 + w = 7000   w= 1500 1500
<result>A</result>
A disease has infected an ant colony that consists ofworkersandsoldiers: 30% of the soldiers and 14% of theworkerswere infected. If that colony is inhabited by 7000 ants, out of which 1860 are infected, how manyworkersinhabit the colony?