Explanation

((S.P - C.P)/C.P)*100 will give you the answer.

=((500–450)/450)*100

=(50/450)*100

=(1/9)*100

=11.11% gain

Explanation

Sound travels at different speeds depending on what it is traveling through. Of the three mediums (gas, liquid, and solid) sound waves travel the slowest through gases, faster through liquids, and fastest through solids.

Temperature also affects the speed of sound.

Explanation

Computer hardware includes the physical parts of a computer,

such as the case,

central processing unit,

monitor,

mouse,

keyboard,

computer data storage,

graphics card,

sound card,

speakers and motherboard.

Explanation

Explanation