210 is ur answer if it’s two tens then it’s 21 and then 1 one so 1 then times 10
x2 =9
x4 =64
64-9 =55
4-2 = 2
55/2 = 27.5
average rate is 27.5, B is the answer
Answer:
If two ratios are equivalent to each other, then they are said to be in proportion. For example, the ratios 1:2, 2:4, and 3:6 are equivalent ratios.
Step-by-step explanation:
Ratios are proportional if they represent the same relationship. One way to see if two ratios are proportional is to write them as fractions and then reduce them. If the reduced fractions are the same, your ratios are proportional.