Correct Answer: Option B

Explanation

P_T = (5 x 50) + (100 x 4)

= 650watts

Energy(kWhr) = 650 x 10^-3 x 10

= 6.5 kWhr

1kWhr cost 2 kobo ; 6.5 kWhr will cost \(\frac{2 \times 6.5}{1}\)

= 13 kobo

• What can i study with 155 score in science course? Answer this

  2 Answers   ·   Biology   ·   3 days ago
• Does WAEC give Calculator to student for there exam? Answer this

  3 Answers   ·   Mathematics   ·   4 days ago
• find the value of (16)^3/2 + log0.0001 + log325? Answer this

  13 Answers   ·   Mathematics   ·   10 years ago