An art teacher needs to make his own purple paint he has 1/3 gallon of red paint and 3/8 gallon of blue paint left in the supply closet if he uses all the red and blue paint how much purple paint can he make

Okay, So We Need To Convert The Two Fractions To Common Denominators.
The Least Common Denominator Is 24.
So, He Has 
8/24 Red, And 9/24 Blue. Now, Add Them.
 8     9      17
--- + --- =
24   24     24

So, He /She Can Make 17/24 Gallons Of Blue Paint.

Here’s the answer. you’re supposed to use 2900 times the interest rate and then add your original amount of money. now you get 2997.15

Your cleary not see the answer is 25