Question

The thickness of a mattress is 7.5 cm and that of another mattress is 9.75 cm. What would
be the thickness of two mattresses together when placed one on the top of the other?​

Answer 1

Answer:

Step-by-step explanation:

If you want a comfortable and durable mattress, it should be at least 8 inches thick, including the minimum requirement of a 2 to 3-inch thick comfort layer and 5 to 6-inch thick base layer. Usually, the thicker a mattress, the softer it feels.