The Environmental Protection agency requires industry to report releases of any

Question

The Environmental Protection agency requires industry to report releases of any toxic chemicals. The total amounts released (in thousands of pounds) were 3,006, 577 in 1988, 1, 736, 461 in 1998, and 1, 265, 879 in 2005. Consider the index number for 1988 as 100. Fill in the blanks: With 1988 as the base period, the index number for 1998 is _____ and for 2005 is _____. (Give your answers to one decimal place.) Fill in the blank: The releases decreased by _____ percent between 1988 and 2005. (Give your answer to one decimal place.)

Explanation / Answer

answer 1: 57.8 and answer 2: 42.1

Calculations for answer 1: 100* 1,736,461/3,006,577

Calculations for answer 2: 100*1,265,879/3,006,577

Step 2:

Percentage decrease = 100 - 42.1 = 57.9

Year Index 1988 3,006,577 100 1998 1,736,461 57.8 2005 1,265,879 42.1

Related Questions

Navigate

• Browse (All)
• Browse T
• Subjects

---

---

Integrity-first tutoring: explanations and feedback only — we do not complete graded work. Learn more.