1) We can expressed or write ratios in ways​

Sagot :

Answer:

Of calculating it on our brain

Answer:

A ratio is a comparison of two numbers. A ratio can be written using a colon, 3:5 , or as a fraction 35 . A rate , by contrast, is a comparison of two quantities which can have different units. For example 5 miles per 3 hours is a rate, as is 34 dollars per square foot.