Question

By installing a solar energy device Rahul's electricity bill reduced from rupees 9000 every month to rupees 7800 a month what was the percentage decrease in the bill amount​

Answer 1

Initial bill = 9000

Current bill = 7800

Decrease = 9000 - 7800

= 1200

Percentage decrease = 1200/9000 × 100

= 13.33%

Answer 2

Answer:

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