The county requires 2 teachers for every 45 students. Write a proportion that gives the number t of teachers needed for 315 students.

14

Step-by-step explanation:

if it's 2 teachers for every 45 students, I assume you would divide 315 by 45 which would give you 7 groups of 45. now for every group you would require 2 teachers. and 2 times 7 is 14.

for b its (t) and c its (d)

step-by-step explanation: