ratio
sales tax
percentage
100

what is a ratio

a comparison of two numbers

100

what is sales tax

the discount you get on an item

100

how do percentage and ratios connect 

they both involve having to compare numbers to get the final answer

200

what are ratios used for

comparing two thing like sales tax

200

how does ratios connect with sales tax

ratios you compare two numbers and to find the percentage taken of and item you compare numbers

200

what is percentage

it is the amount of something for example if you get a 95% on a test the is your percentage

300

what is the number of kids in our grade to teacher 

54:4

300

what is 30% of 100

the answer is 30
300

can percentage be in the negitives

yes percentages can be negative

400

why do we use ratios

to compare two numbers like 8:4

400

what is 95% of 100

the answer is 95

400

when would you use percentage in math

almost everyday we use them in math