Answer: 19
Step-by-step explanation: let the number of candies left in the bag be y and the number of minutes eating be x.
Because she eats 5 candies per minute
There are a total of 900 students at Molly’s school. 810 is 90% of 900. 90% of students did not wear a silly hat.

The only common factor is (x -5).
Selection A is appropriate.
5 minutes x minutes
--------------- = -------------
4 dishes 24 dishes
using cross products
5 * 24 = 4 * x
divide each side by 4
5*24/4 = x
30=x
It will take 30 minutes