Michele has visted 30 lighthouse in virginia and maryland. twenty orrcent of the lighthouses erte virginia. how many more lighthouses did she visit in maryland than in virginia.

10/60

step-by-step explanation:

if you divide 10 by 60 the answer is 0.166666 while if you divide or solve the other problems it equals 0.6

-2x + 7 = 7

subtract 7 from both sides.

-2x = 0

divide both sides by -2.

x = 0

according to egenuity the answer is

step-by-step explanation:

d. 344.22