She has been with her book club for 49 months.
Step-by-step explanation:
Books read = 12 books
Time period = 7 months
Therefore,
12 books = 7 months
1 book =
Books read so far = 84 books
Total time period = x
84 books = x months
1 book = 
Using both unit rates;

She has been with her book club for 49 months.
Keywords: Unit rates, multiplication
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Answer:
50
Step-by-step explanation:
If R is 65, then T must also be 65 because both of the sides are congruent. 65+65=130 and all angles on a triangle add to 180. Therefore 180-130 is 50
there are 6 1/6 per hour
multiply 1/3 by 6
1/3 * 6 = 6/3 = 2 miles per hour
Uh you just put your work in the calculator