10-2: Electronic Utilities

You have a cell phone and get charged for text messages each month. You are considering paying a flat fee of $90 per month for unlimited text messaging. If the cost is $0.10 per text message, how much would you save by using the unlimited plan instead of the pay-per-message plan if you send about 800 text messages each month?

• $10

• $20

• $80

• $90

• There would be no savings.

You have a cell phone and get charged for text messages each month. You are considering paying a flat fee of $85 per month for unlimited text messaging. If the cost is $0.12 per text message, how much would you save by using the unlimited plan instead of the pay-per-message plan if you send about 825 text messages each month?

• $14

• $85

• $99

• $184

• There would be no savings.

You have a cell phone and get charged for text messages each month. You are considering paying a flat fee of $80 per month for unlimited text messaging. If the cost is $0.14 per text message, how much would you save by using the unlimited plan instead of the pay-per-message plan if you send about 850 text messages each month?

• $199

• $119

• $80

• $39

• There would be no savings.

You have a cell phone and get charged for text messages each month. You are considering paying a flat fee of $77.99 per month for unlimited text messaging. If the cost is $0.17 per text message, how much would you save by using the unlimited plan instead of the pay-per-message plan if you send about 877 text messages each month?

• $149.09

• $77.99

• $71.10

• $70.10

• There would be no savings.

You have a cell phone and get charged for text messages each month. You are considering paying a flat fee of $63.42 per month for unlimited text messaging. If the cost is $0.13 per text message, how much would you save by using the unlimited plan instead of the pay-per-message plan if you send about 739 text messages each month?

• $96.07

• $63.42

• $36.52

• $32.65

• There would be no savings.

A cable/internet/phone provider advertises a flat $105 per month for all three services for a new customer's first year. The company estimates that this will increase 10% each year. You currently pay $41 for your monthly phone service, $52 for your Internet service, and $63 for cable television; your current company does not raise costs for current customers. If you switch to the new company that charges a flat rate for all three services, how much, if any, will you save in your second year?

• $156

• $105

• $51

• $40.50

• There will be no savings.

A cable/internet/phone provider advertises a flat $110 per month for all three services for a new customer's first year. The company estimates that this will increase 11.5% each year. You currently pay $39 for your monthly phone service, $38 for your Internet service, and $57 for cable television; your current company does not raise costs for current customers. If you switch to the new company that charges a flat rate for all three services, how much, if any, will you save in your third year?

• $2.75

• $11.35

• $24

• $134

• There will be no savings.

A cable/internet/phone provider advertises a flat $120 per month for all three services for a new customer's first year. The company estimates that this will increase 9.75% each year. You currently pay $30 for your monthly phone service, $40 for your Internet service, and $50 for cable television; your current company does not raise costs for current customers. If you switch to the new company that charges a flat rate for all three services, how much, if any, will you save in your fourth year?

• $120

• $38.63

• $24.54

• $11.70

• There will be no savings.

Which of the following are examples of electronic utilities? Check all that apply.

• Natural Gas

• Internet

• Water

• Cable Television

• Cell Phone

True or False: It is always cheaper to pay per text message than it is to pay a flat fee for a cell phone plan.

• True

• False