20%, just calculate the fraction of mystery books and multiply that by 100 %
This is just like the other problem. The coefficient infront of the b which is "2" is your constant of proportionality. It makes the relationship between the number of bulbs and flowers signaling that for every flower there has to be 2 bulbs.
Answer:
Part A) The percentage increase was 
Part B) Michael is financially better off this year than last year
Step-by-step explanation:
Part A)
we know that
Using proportion
Let
x-----> the percentage increase

Part B) Compare the percentage increase with the inflation

The percentage increase is greater than the inflation
therefore
Michael is financially better off this year than last year
Answer:
Yes
Step-by-step explanation:
Theorem 8.3: If two angles are complementary to the same angle, then these two angles are congruent.
0.75 x 24 x 3 = 54
54 - 12.24 = $41.76 total profit
41.76/3 = 13.92
13.92/24 = 0.58 cents per apple