1. use the digits -9 to 9 (only once) to create a real solution between 30 and 80. show your work to justify your answer.
2. use the digits -9 to 9 to complete the puzzle below. try all the combinations. but as you begin doing that you will realize that in some cases you are looking for factor combinations with a particular sum or difference. you will see that some numbers have to be greater than a particular value in order to produce the product you are looking for. show your work to confirm your solution.

(02.01 mc) evelyn is making a candy that contains 25% dark chocolate and the rest milk chocolate. the candy has 3 pounds of milk chocolate. part a: write an equation using one variable that can be used to find the total number of pounds of dark chocolate and milk chocolate in the candy. define the variable used in the equation and solve the equation. hint: 0.25x represents the number of pounds of dark chocolate in the candy. (5 points) part b: how many pounds of dark chocolate are present in the candy? show your work. (5 points)