Write and solve an equation to find the answer for the problem below.

In Mrs. Narain's classroom, students sit at tables and desks. A table seats 4 students. A desk seats 1 student. There are twenty-five students in the class. If 9 students sit at desks, how many tables are used?

4

8

sixteen

twenty-one

Question

Write and solve an equation to find the answer for the problem below.

In Mrs. Narain's classroom, students sit at tables and desks. A table seats 4 students. A desk seats 1 student. There are twenty-five students in the class. If 9 students sit at desks, how many tables are used? 

 4 

 8 

 sixteen 

 twenty-one

nincompoop · Answer

25 = 4t + 9d
look for t, where d = 1

anonymous · Answer

thanks

nincompoop · Answer

25 = 4t + 9(1)
25 = 4t + 9
subtract 9 on both sides to leave out 4t.  since we want t we isolate it.
25 - 9 = 4t + 9 - 9
16 = 4t 
divide by 4 to get t

anonymous · Answer

kk

nincompoop · Answer

i just woke up. going to make breakfast ttyl

anonymous · Answer

kk bye lol