Question

A gas hot water heater is 65% efficient. The energy output to heat the water is 2.3 kWh.

Round each answer to the nearest tenth.



The energy input is
kWh.

Therefore,
kWh are lost to the surroundings.

Answer 1

3.5 and 1.2

Step-by-step explanation:

Answer 2

3.5 kWh

1.2 kWh are lost

Step-by-step explanation:

65=2.3/Ein*100

0.65=2.3/Ein

Ein=2.3/.65

Ein=3.5

3.5-2.3=1.2 kWh