Question

. The prices of a cooler and an air conditioner are in the ratio of 2:7. If air conditioner cost 25000
more than the cooler, what are the prices of cooler and air conditioner each?​

Answer 1

Answer:

Even if your air conditioner is only 10 years old , you may save 20% to 40% of your cooling energy costs by replacing it with a newer, more ...