Mathematics
NULL
Medium
Question
A and B are 5 cm apart; C is on AB with AC = 3 cm. If AC increases by 6%, by what percent does CB decrease?
A
0.06
B
0.07
C
0.08
D
0.09
✓ Official correct answer
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A
0.06
No member explanations yet for this option.
B
0.07
No member explanations yet for this option.
C
0.08
No member explanations yet for this option.
D
0.09
No member explanations yet for this option.
Explanation
New AC = 3.18 cm so CB = 1.82 cm. Decrease = 0.18/2 = 9% (option 0.09).