Can you give us a picture of the question or is it a word problem
A postulate is a statement in math that is so obvious that it does not need to be proven, that is basically what it means, in layman's terms
Answer:
240 students
Step-by-step explanation:
Grade 7 : Grade 8 = 5 : 3
Number of seventh grade students = 5x
Number of Eighth grade students = 3x
3x = 90
x = 90÷3
x = 30
Total students = 5x + 3x = 8x = 8 * 30 = 240
A bed making a frame
A tv
A window
These are my answers