Answer:
Step-by-step explanation:
Latin American Art: x
African American Art: x+18
European Art: x-15
x+x+18+x-15=78
3x+3=78
3x=75
x=25
Latin American Art: 25
African American Art: 43
European Art: 10
26 divided by 6 = 4, so she put four plates on each table
I hope this helps ;)
1. Measure and angle in degree
