Question

What is ratio and how to do conversations of measurement

Answer 1

ratio is basically one thing upon another thing like if I say 1/4 th of lemon juice in a glass this means that glass can be divided into four equal portions out of which 1 portion is fully filled.
conversations of measurement can be divided into
kilo. hecto deca. metre. deci. centi Milli
(km). (hm). (dam). (unit). (dm). (cm). (mm)