Ratios don't have to be "per" something, while rates are "per" something.
Ratios compare 2 or more values, as well as rates.
Answer:
20 : 100% = x : 115%
Step-by-step explanation:
Do 115 x 20
divide the answer by 100
and that is your answer
Answer:
127 more posters than books.
Step-by-step explanation:
185-58=127
(4-4x)(x-3)
4x-12-(4x^2)+12x
(-4x^2)+16x-12=(pxq)(x)