Question

Pria's radio produces 80 useful energy units for every 100 units of electricity used. The efficiency of the radio is _____. 0.80 percent 20 percent 80 percent 100 percent

Answer 1

The efficiency of the radio is 80 percent.

Step-by-step explanation:

80 useful energy units

100 units of electricity used

80 ÷ 100 = 0,8 × 100 = 80%

Answer 2

The efficiency of the radio is 80 percent.

80 useful energy units

100 units of electricity used

80 ÷ 100 = 0,8 × 100 = 80%