A. 13 1/23 %
B. 15 %
C. 10 20/23 %
D. 16 2/3 %
Explanation:
Reduction % in consumption
= {r/(100+r) ×100} % =(15/115 × 100)%
= 300/23 % = 13 1/23 %
A. 13 1/23 %
B. 15 %
C. 10 20/23 %
D. 16 2/3 %
Explanation:
Reduction % in consumption
= {r/(100+r) ×100} % =(15/115 × 100)%
= 300/23 % = 13 1/23 %