No, she didn't because 5:7 and 12:8 are not equivalent ratios
January : 31 days.
February : February is the second and shortest month of the year in the Julian and Gregorian calendar with 28 days in common years and 29 days in leap years, with the quadrennial 29th day being called the leap day. It is the first of five months to have a length of less than 31 days, and the only month to have less than 30 days
March : 31 days.
April : 30 days.
May : 31 days.
June : 30 days.
July : 31 days.
August : 31 days.
Septembers : 30 days.
October : 31 days.
November : 30 days.
December : 31 days.
Hope this helps!
The answer is 26 :) because that way 26 and 26+4=30
Ab^2 (-bc & +bc would cancel out) but then -ab so the answer would just be ab