The electricity cost of a business increased from 18,000 one year to 19,000 the next. To the nearest whole percent. What was the rate of increase

3 answers

(19000-18000)/18000 * 100
The answer was 7% I took 18000x7%=1260
added 18000+1260=19260 round to the nearest whole percent and get 19000
The i need help on the first assignment TMA 1

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