CSS - PMS - CCE - PCS - Everyday Science
EnvironmentClimate and Pollution
Environmental practice 140: an index starts at 140 and declines by 5%. New index is:
A. 135.0
B. 133.0
C. 134.0
D. 132.0
Correct Answer: B
New value=original×(1−percentage/100).
CSS - PMS - CCE - PCS - Everyday Science
EnvironmentClimate and Pollution
Environmental practice 139: an index starts at 139 and declines by 14%. New index is:
A. 120.5
B. 131.5
C. 119.5
D. 107.5
Correct Answer: C
New value=original×(1−percentage/100).
CSS - PMS - CCE - PCS - Everyday Science
EnvironmentClimate and Pollution
Environmental practice 138: an index starts at 138 and declines by 13%. New index is:
A. 120.1
B. 121.1
C. 132.1
D. 108.1
Correct Answer: A
New value=original×(1−percentage/100).
CSS - PMS - CCE - PCS - Everyday Science
EnvironmentClimate and Pollution
Environmental practice 137: an index starts at 137 and declines by 12%. New index is:
A. 121.6
B. 132.7
C. 120.6
D. 108.5
Correct Answer: C
New value=original×(1−percentage/100).
CSS - PMS - CCE - PCS - Everyday Science
EnvironmentClimate and Pollution
Environmental practice 136: an index starts at 136 and declines by 11%. New index is:
A. 108.9
B. 133.1
C. 122.0
D. 121.0
Correct Answer: D
New value=original×(1−percentage/100).
CSS - PMS - CCE - PCS - Everyday Science
EnvironmentClimate and Pollution
Environmental practice 135: an index starts at 135 and declines by 10%. New index is:
A. 121.5
B. 109.4
C. 133.7
D. 122.5
Correct Answer: A
New value=original×(1−percentage/100).
CSS - PMS - CCE - PCS - Everyday Science
EnvironmentClimate and Pollution
Environmental practice 134: an index starts at 134 and declines by 9%. New index is:
A. 109.7
B. 122.9
C. 121.9
D. 134.1
Correct Answer: C
New value=original×(1−percentage/100).
CSS - PMS - CCE - PCS - Everyday Science
EnvironmentClimate and Pollution
Environmental practice 133: an index starts at 133 and declines by 8%. New index is:
A. 122.4
B. 110.2
C. 134.6
D. 123.4
Correct Answer: A
New value=original×(1−percentage/100).
CSS - PMS - CCE - PCS - Everyday Science
EnvironmentClimate and Pollution
Environmental practice 132: an index starts at 132 and declines by 7%. New index is:
A. 122.8
B. 123.8
C. 135.1
D. 110.5
Correct Answer: A
New value=original×(1−percentage/100).
CSS - PMS - CCE - PCS - Everyday Science
EnvironmentClimate and Pollution
Environmental practice 131: an index starts at 131 and declines by 6%. New index is:
A. 135.4
B. 124.1
C. 123.1
D. 110.8
Correct Answer: C
New value=original×(1−percentage/100).
CSS - PMS - CCE - PCS - Everyday Science
EnvironmentClimate and Pollution
Environmental practice 130: an index starts at 130 and declines by 5%. New index is:
A. 123.5
B. 135.9
C. 111.2
D. 124.5
Correct Answer: A
New value=original×(1−percentage/100).
CSS - PMS - CCE - PCS - Everyday Science
EnvironmentClimate and Pollution
Environmental practice 129: an index starts at 129 and declines by 14%. New index is:
A. 122.0
B. 110.9
C. 111.9
D. 99.8
Correct Answer: B
New value=original×(1−percentage/100).
CSS - PMS - CCE - PCS - Everyday Science
EnvironmentClimate and Pollution
Environmental practice 128: an index starts at 128 and declines by 13%. New index is:
A. 100.3
B. 122.5
C. 112.4
D. 111.4
Correct Answer: D
New value=original×(1−percentage/100).
CSS - PMS - CCE - PCS - Everyday Science
EnvironmentClimate and Pollution
Environmental practice 127: an index starts at 127 and declines by 12%. New index is:
A. 112.8
B. 111.8
C. 123.0
D. 100.6
Correct Answer: B
New value=original×(1−percentage/100).
CSS - PMS - CCE - PCS - Everyday Science
EnvironmentClimate and Pollution
Environmental practice 126: an index starts at 126 and declines by 11%. New index is:
A. 123.3
B. 113.1
C. 100.9
D. 112.1
Correct Answer: D
New value=original×(1−percentage/100).
CSS - PMS - CCE - PCS - Everyday Science
EnvironmentClimate and Pollution
Environmental practice 125: an index starts at 125 and declines by 10%. New index is:
A. 101.2
B. 113.5
C. 112.5
D. 123.8
Correct Answer: C
New value=original×(1−percentage/100).
CSS - PMS - CCE - PCS - Everyday Science
EnvironmentClimate and Pollution
Environmental practice 124: an index starts at 124 and declines by 9%. New index is:
A. 113.8
B. 112.8
C. 101.5
D. 124.1
Correct Answer: B
New value=original×(1−percentage/100).
CSS - PMS - CCE - PCS - Everyday Science
EnvironmentClimate and Pollution
Environmental practice 123: an index starts at 123 and declines by 8%. New index is:
A. 113.2
B. 114.2
C. 101.9
D. 124.5
Correct Answer: A
New value=original×(1−percentage/100).
CSS - PMS - CCE - PCS - Everyday Science
EnvironmentClimate and Pollution
Environmental practice 122: an index starts at 122 and declines by 7%. New index is:
A. 113.5
B. 124.9
C. 102.2
D. 114.5
Correct Answer: A
New value=original×(1−percentage/100).
CSS - PMS - CCE - PCS - Everyday Science
EnvironmentClimate and Pollution
Environmental practice 121: an index starts at 121 and declines by 6%. New index is:
A. 102.3
B. 113.7
C. 125.1
D. 114.7
Correct Answer: B
New value=original×(1−percentage/100).