Question

The cost of a washing machine is 40% less than the cost of a TV. If the cost of the washing machine increases by 18% and that of the TV decreases by 10%, then what is the change in the total cost of 5 washing machines and 2 TVs?

• A. Decreases by 6.5%
• B. Decreases by 6.4%
• C. Increases by 6.5%
• D. Increases by 6.8%

Answer 1

Answer: (D)