26 teaspoons because it added 20 more teaspoons of blue paint, you just add 20 more teaspoons of red paint to have the same shade of purple.
Answer: 3
Explanation:
Students that takes course one or both courses.
20 + 25 = 45
Students that take course. Not including both courses students.
45 - 8 = 37
Students that doesn’t take course.
40 - 37 = 3
Answer:
6
Step-by-step explanation:
-15+6 means it goes minus basically its 15-6(-15+6)=-9