Question

note: please make sure to properly format your answers. all dollar figures in the answers need to include the dollar sign and any amount over 1,000 should include the comma ($2,354.67). all percentage values in the answers need to include a percentage sign (%). for all items without specific rounding instructions, round your answers to two decimal places, show both decimal places (5.06). bill heckies last electric bill is shown below. wattco lighting corporation for service to bill heckie 12 cavern st. linwood, ks 66052 account number 8761 - 21 bill date aug 11 service period meter reading service from to previous present usage amount electric jul 3 aug 4 21,780 24,100 2,320 $255.20 a. what was the previous reading? b. what is the present reading? c. how many kilowatt - hours of electricity did bill use during the service period shown? d. what did wattco charge per kilowatt - hour of electricity? e. the bill covers 31 days of electric use. what was bills average daily expense for electricity for this service period? round to the nearest cent.

Explanation:

Step1: Identify previous reading

From the table, the previous reading is 21,780.

Step2: Identify present reading

From the table, the present reading is 24,100.

Step3: Calculate electricity usage

Subtract previous from present reading: $24100 - 21780=2320$.

Step4: Calculate cost per kilowatt - hour

Divide total cost by usage: $\frac{255.20}{2320}=0.11$.

Step5: Calculate average daily expense

Divide total cost by number of days: $\frac{255.20}{31}\approx8.23$.

Answer:

a. 21,780
b. 24,100
c. 2,320
d. $0.11
e. $8.23