Concept explainers
(a)
To describe: the pattern
(a)
Answer to Problem 25PPS
The percentage increases by a factor 2 and the number decreases by a factor 2.
Explanation of Solution
Given:
2% of 100 = 2
4% of 50 = 2
8% of 25 = 2
16% of 12.5 = 2
Calculation:
The pattern of equation is:
The percentage increases by a factor 2 and the number decreases by a factor 2.
Conclusion:
Therefore, the percentage increases by a factor 2 and the number decreases by a factor 2.
(b)
To describe: the next equation in the pattern
(b)
Answer to Problem 25PPS
32% of 6.25 = 2
Explanation of Solution
Given:
2% of 100 = 2
4% of 50 = 2
8% of 25 = 2
16% of 12.5 = 2
Calculation:
Following the pattern found in part (a), the next pattern will be
32% of 6.25 = 2
Conclusion:
Therefore, the 32% of 6.25 = 2
Chapter 7 Solutions
Pre-Algebra Student Edition
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