Additional Activities
BRAIN-COMPATIBLE
Activity 3
Directions: Analyze and solve the following problems. Write your answers in your notebook.
1. Last month, an electric meter read 7875 kWh. This month, the reading is 8328 kWh. If the cost of electricity is PHP 3.40 per kWh, how much is the bill for this month?
2. James recorded his family's electric consumption for three months. The initial reading is 27193 kWh. The next readings were 27228, 27310 and 27416 kWh. What is the average monthly consumption?
3. In March, an electric meter reads 890 kWh and in April the meter reads 1020 kWh. What is the difference in the meter reading? /30 kwh
4. Frances records the electric reading every 15 days. On November 30, the reading was 5 936. How much electricity was used after 15 days if the reading was 6 185? 249
5. An ordinary LED lamp uses 60 watts an hour. How many kilowatts will twenty LED lamps consume in September if they are used for 8 hours every night?
6. Each day, it takes Aida one hour to cook rice using a rice cooker. If the rice cooker's wattage is 1500 watts, how many kilowatt-hours does it consume each month? The rice cooker consumes each month.
7. Ten 80-watt light bulbs were used for eight hours. Compute for the number of kilowatt-hours consumed. were used by the light bulbs.
8. How much electricity can be saved if a 12-watt bulb is used instead of a 25-watt bulb continuously for three days? will be saved.
9. A 290-watt washing machine is used for four hours, four times a month. How many kilowatt- hours does it consume in a month? The washing machine consumes in a month.
10. I watch shows for 1.5 hours every day. If our TV has a wattage of 1200 watts, how much electricity does it use in kilowatt-hours every day?