Answer:
2.5 gallons of the 20% solution must be replaced by the 36% solution.
Step-by-step explanation:






Go to the right 0.2 then go up 0.02.
Answer:
25 x 4 = 100
25 = late fee
4 = times payment missed
100= total money owed / total money returned
Step-by-step explanation:
Answer:
(A)
Step-by-step explanation:
Given a set with "n" number of elements, the collection of all subsets of the set is referred to as the Power set of the given set.
To find the number of possible subsets of any set, we use the formula: 
Take for example the set: A={2,3,4)
A has 3 elements, therefore n=3
The number of possible subsets of A is: 