Ratios are the quantitative relation between two amounts showing the number of times one value contains or is contained within the other.
Equivalent ratios are like equivalent fractions, if they are the same value they are equivalent.
For example, to find two ratios that are equal to 1:7, first write 1:7 as the fraction 1/7.

Step-by-step explanation:
The given equation is 
Let
be the coefficient of 
Let
be the coefficient of 
Let
be the constant.
Then the roots α,β for the equation
are 
So,α=
β=
.
So the roots are 
Answer:
19 days
Step-by-step explanation:
305 - 115 = 190
190 ÷ 10 = 19
Answer:
The ratio of blue to red marbles is 3 to 8.
Hope this helps :) have a good day!