Answer:
Explanation:
(i) Total bill = telephone bill + gas bill + electricity bill = $96 + $145 + $203 = $444
(ii) Deposit = total amount of bills - the amount they have already in bank account = $444 - $367 = $77
(iii) There are several ways that Mr. and Mrs. Smith can reduce their electricity bill. Here are some suggestions:
+ Unplug appliances when not in use: Even when turned off, many appliances continue to draw power if they are plugged in. Unplugging appliances when not in use can help reduce energy consumption.
+ Use energy-efficient light bulbs: Replacing traditional incandescent light bulbs with energy-efficient ones can help reduce electricity usage.
+ Install a programmable thermostat: A programmable thermostat can help regulate temperature settings and reduce energy consumption.