Problema Solution
in 2005 the number of federal hazardous wastes sites in california was 6 less than the twice the number of sites in washington. how many hazardous waste sites were there in washington if there were 28 such sites in california
Answer provided by our tutors
equation becomes
2W - 6 = C
2W - 6 = 28
2W = 34
W = 34/2
W = 17