Financial Algebra chapter 5 test

• 39.5%
• 37.5%
• 47.425%
• What's debt to income

Craig’s June water bill listed two meter readings. The previous reading was 6,372 ccf and the present reading is 6,512 ccf. How much water did Craig’s household use during the billing period?

• 140
• 6512
• 6372
• 129

Mrs. Zorn works for a utility company and is reading the electric meter for a local pizza place, which is shown below.

• 57,573
• 46,462
• 47,472
• 47, 473

A certain guitar amplifier requires 850 watts when it is being used. How much would it cost to run for 90 minutes, at a cost of $0.14 per kWh? Round to the nearest cent. 

• $1.275
• $0.15
• $3,135
• $0.18

The Robinsons’ old dryer cost them $450 per year to run. The new one they purchased for $750 will save them 20% annually in energy costs to run it. In how many years will it pay for itself?

• .087 years
• 3.4 years
• 11.5 years
• 8.3 years

Two years ago the Lange family used $4,450 worth of electricity. Last year they switched to balanced billing. 
 
What was their monthly payment last year under balanced billing? Round to the nearest cent.

• $3250
• $270.83
• $370.83
• $428.14

Two years ago the Lange family used $4,450 worth of electricity. Last year they switched to balanced billing. 
 
During last year, they actually used $5,000 of electricity and their balanced billing payments were not enough to pay for their electrical usage. They had to pay the difference at the end of the year. How much did they owe the utility company?

• $3,766
• $516
• $550
• $7,016

The Tech-N-Text phone company charges $60 for unlimited texting per month, or $0.15 per text message sent or received. For what amount of text messages would the unlimited plan cost the same as the per-text plan? 

• 300
• 225
• 400
• 355

A cable TV provider charges Nina $99 per month for three services—Internet, phone, and cable television. In addition, Nina’s monthly bill for cell phone calls and text messages averages $39.70 per month. What is her average cost per day for these four services?

• $1.95
• $4.62
• $3.30
• $5.29

Craig’s June water bill listed two meter readings. The previous reading was 6,372 ccf and the present reading is 6,501 ccf. He was charged $0.40 per ccf. How much will Craig’s household be billed during the billing period? 

• $58.05
• $129
• $5805
• $51.60