Mathematics
NULL
Medium
Question
The length of a rectangle is increased by 60%. By what percent would the width have to be decreased to maintain the same area?
A
37½%
✓ Official correct answer
B
60%
C
75%
D
120%
Community credibility
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A
37½%
No member explanations yet for this option.
B
60%
No member explanations yet for this option.
C
75%
No member explanations yet for this option.
D
120%
No member explanations yet for this option.
Explanation
1.6 × w₂ = w₁ ⇒ w₂/w₁ = 5/8. Decrease = 3/8 = 37½%.