Problema Solution
In 2005, the number of federal hazardous waste sites in California was 5 less than 3 times the number or sites in Washington. How many hazardous waste sites were there in Washington if there were 25 such sites in California?
Answer provided by our tutors
california = 25
california = 3washimgon - 5
=> 30 = 3 * w
=>washimgton = 10 hazard