Answer:
225%
Step-by-step explanation:
Find the difference between the two prices, then divide it by the original price:
78 - 24 = 54
54/24
= 2.25
So, the markup rate is 225%
here's your answer in the given attachment
Ratio for this mean for every 10 cats sold there was one dog
60/10 = ?
6 dogs
ratio = 60:6
100 + 80 = 180
20/100 X 180 = 36
selling price $36
x^2+12x+36=1+36
you divide the 12 by 2 which is 6 and then square it (36)