Answer:
Step-by-step explanation:
Missing Information
Any of these two would help solve the problem
Let the painting be divided into 7 equal parts
Therefore: Tony Painted 2 parts
Fraction of the Mural Painted by Each Student
[tex]Marcus=\dfrac{2}{7}\\Mariah =\dfrac{3}{7} \\Tony=\dfrac{2}{7}[/tex]