CSS - PMS - CCE - PCS - Everyday Science
EnvironmentClimate and Pollution
Environmental practice 160: an index starts at 110 and declines by 5%. New index is:
A. 94.0
B. 105.5
C. 115.0
D. 104.5
Correct Answer: D
New value=original×(1−percentage/100).
CSS - PMS - CCE - PCS - Everyday Science
EnvironmentClimate and Pollution
Environmental practice 159: an index starts at 109 and declines by 14%. New index is:
A. 103.1
B. 93.7
C. 84.3
D. 94.7
Correct Answer: B
New value=original×(1−percentage/100).
CSS - PMS - CCE - PCS - Everyday Science
EnvironmentClimate and Pollution
Environmental practice 158: an index starts at 108 and declines by 13%. New index is:
A. 103.4
B. 84.6
C. 95.0
D. 94.0
Correct Answer: D
New value=original×(1−percentage/100).
CSS - PMS - CCE - PCS - Everyday Science
EnvironmentClimate and Pollution
Environmental practice 157: an index starts at 107 and declines by 12%. New index is:
A. 103.6
B. 95.2
C. 94.2
D. 84.8
Correct Answer: C
New value=original×(1−percentage/100).
CSS - PMS - CCE - PCS - Everyday Science
EnvironmentClimate and Pollution
Environmental practice 156: an index starts at 106 and declines by 11%. New index is:
A. 94.3
B. 103.7
C. 95.3
D. 84.9
Correct Answer: A
New value=original×(1−percentage/100).
CSS - PMS - CCE - PCS - Everyday Science
EnvironmentClimate and Pollution
Environmental practice 155: an index starts at 105 and declines by 10%. New index is:
A. 94.5
B. 85.0
C. 95.5
D. 104.0
Correct Answer: A
New value=original×(1−percentage/100).
CSS - PMS - CCE - PCS - Everyday Science
EnvironmentClimate and Pollution
Environmental practice 154: an index starts at 104 and declines by 9%. New index is:
A. 104.1
B. 94.6
C. 95.6
D. 85.1
Correct Answer: B
New value=original×(1−percentage/100).
CSS - PMS - CCE - PCS - Everyday Science
EnvironmentClimate and Pollution
Environmental practice 153: an index starts at 103 and declines by 8%. New index is:
A. 94.8
B. 85.3
C. 95.8
D. 104.3
Correct Answer: A
New value=original×(1−percentage/100).
CSS - PMS - CCE - PCS - Everyday Science
EnvironmentClimate and Pollution
Environmental practice 152: an index starts at 102 and declines by 7%. New index is:
A. 95.9
B. 104.4
C. 94.9
D. 85.4
Correct Answer: C
New value=original×(1−percentage/100).
CSS - PMS - CCE - PCS - Everyday Science
EnvironmentClimate and Pollution
Environmental practice 151: an index starts at 101 and declines by 6%. New index is:
A. 95.9
B. 85.4
C. 94.9
D. 104.4
Correct Answer: C
New value=original×(1−percentage/100).
CSS - PMS - CCE - PCS - Everyday Science
EnvironmentClimate and Pollution
Environmental practice 150: an index starts at 100 and declines by 5%. New index is:
A. 94.0
B. 96.0
C. 97.0
D. 95.0
Correct Answer: D
New value=original×(1−percentage/100).
CSS - PMS - CCE - PCS - Everyday Science
EnvironmentClimate and Pollution
Environmental practice 149: an index starts at 149 and declines by 14%. New index is:
A. 140.9
B. 128.1
C. 115.3
D. 129.1
Correct Answer: B
New value=original×(1−percentage/100).
CSS - PMS - CCE - PCS - Everyday Science
EnvironmentClimate and Pollution
Environmental practice 148: an index starts at 148 and declines by 13%. New index is:
A. 128.8
B. 129.8
C. 115.9
D. 141.7
Correct Answer: A
New value=original×(1−percentage/100).
CSS - PMS - CCE - PCS - Everyday Science
EnvironmentClimate and Pollution
Environmental practice 147: an index starts at 147 and declines by 12%. New index is:
A. 142.3
B. 129.4
C. 130.4
D. 116.5
Correct Answer: B
New value=original×(1−percentage/100).
CSS - PMS - CCE - PCS - Everyday Science
EnvironmentClimate and Pollution
Environmental practice 146: an index starts at 146 and declines by 11%. New index is:
A. 130.9
B. 129.9
C. 116.9
D. 142.9
Correct Answer: B
New value=original×(1−percentage/100).
CSS - PMS - CCE - PCS - Everyday Science
EnvironmentClimate and Pollution
Environmental practice 145: an index starts at 145 and declines by 10%. New index is:
A. 130.5
B. 131.5
C. 117.5
D. 143.6
Correct Answer: A
New value=original×(1−percentage/100).
CSS - PMS - CCE - PCS - Everyday Science
EnvironmentClimate and Pollution
Environmental practice 144: an index starts at 144 and declines by 9%. New index is:
A. 131.0
B. 144.1
C. 117.9
D. 132.0
Correct Answer: A
New value=original×(1−percentage/100).
CSS - PMS - CCE - PCS - Everyday Science
EnvironmentClimate and Pollution
Environmental practice 143: an index starts at 143 and declines by 8%. New index is:
A. 131.6
B. 132.6
C. 118.4
D. 144.8
Correct Answer: A
New value=original×(1−percentage/100).
CSS - PMS - CCE - PCS - Everyday Science
EnvironmentClimate and Pollution
Environmental practice 142: an index starts at 142 and declines by 7%. New index is:
A. 132.1
B. 145.3
C. 133.1
D. 118.9
Correct Answer: A
New value=original×(1−percentage/100).
CSS - PMS - CCE - PCS - Everyday Science
EnvironmentClimate and Pollution
Environmental practice 141: an index starts at 141 and declines by 6%. New index is:
A. 133.5
B. 145.8
C. 132.5
D. 119.2
Correct Answer: C
New value=original×(1−percentage/100).