Answer:
6 art course and 7 writing coures
Answer:
84 is a solution.
Step-by-step explanation:
To find out if 84 is a solution or not, we plug in the value and simplify.
Therefore, 84 is a solution.
26x3=78
78-x=72
x=6
She needs to buy at least 6 more to have enough for 26 students
4x3=12. The commutative property of multiplication says that two numbers can multiplied either way without getting another answer.