4 out of the 80 students at a school assembly were first-grade students. What percentage of the students at the assembly were first-graders?

Asif spent $745.10 on 13 new file cabinets for his office. small file cabinets cost $43.50 and large file cabinets cost $65.95. write and solve a system of equations to find the number of small cabinets and large cabinets he purchased. determine if each statement is true or false. 1. he purchased 5 small cabinets. true or false 2. he purchased 7 large cabinets. true or false 3. he spent $527.60 on large cabinets. true or false

What does x = in this equation x+3+2x=x+5

The distributive property allows you to say that 3(x − 1) = 3x −