what is a ratio
a comparison of two numbers
what is sales tax
the discount you get on an item
how do percentage and ratios connect
they both involve having to compare numbers to get the final answer
what are ratios used for
comparing two thing like sales tax
how does ratios connect with sales tax
ratios you compare two numbers and to find the percentage taken of and item you compare numbers
what is percentage
it is the amount of something for example if you get a 95% on a test the is your percentage
what is the number of kids in our grade to teacher
54:4
what is 30% of 100
can percentage be in the negitives
yes percentages can be negative
why do we use ratios
to compare two numbers like 8:4
what is 95% of 100
the answer is 95
when would you use percentage in math
almost everyday we use them in math